20517242220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{9421}}^1$

素因数の和:9585

約数の個数: 192

約数和(自身を含む): 66165052800

約数和(自身を除く): 45647810580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 109, 111, 135, 148, 180, 185, 218, 222, 270, 327, 333, 370, 436, 444, 540, 545, 555, 654, 666, 740, 981, 999, 1090, 1110, 1308, 1332, 1635, 1665, 1962, 1998, 2180, 2220, 2943, 3270, 3330, 3924, 3996, 4033, 4905, 4995, 5886, 6540, 6660, 8066, 9421, 9810, 9990, 11772, 12099, 14715, 16132, 18842, 19620, 19980, 20165, 24198, 28263, 29430, 36297, 37684, 40330, 47105, 48396, 56526, 58860, 60495, 72594, 80660, 84789, 94210, 108891, 113052, 120990, 141315, 145188, 169578, 181485, 188420, 217782, 241980, 254367, 282630, 339156, 348577, 362970, 423945, 435564, 508734, 544455, 565260, 697154, 725940, 847890, 1017468, 1026889, 1045731, 1088910, 1271835, 1394308, 1695780, 1742885, 2053778, 2091462, 2177820, 2543670, 3080667, 3137193, 3485770, 4107556, 4182924, 5087340, 5134445, 5228655, 6161334, 6274386, 6971540, 9242001, 9411579, 10268890, 10457310, 12322668, 12548772, 15403335, 15685965, 18484002, 18823158, 20537780, 20914620, 27726003, 30806670, 31371930, 36968004, 37646316, 37994893, 46210005, 47057895, 55452006, 61613340, 62743860, 75989786, 92420010, 94115790, 110904012, 113984679, 138630015, 151979572, 184840020, 188231580, 189974465, 227969358, 277260030, 341954037, 379948930, 455938716, 554520060, 569923395, 683908074, 759897860, 1025862111, 1139846790, 1367816148, 1709770185, 2051724222, 2279693580, 3419540370, 4103448444, 5129310555, 6839080740, 10258621110, 20517242220]

約数ペア:

[(1, 20517242220), (2, 10258621110), (3, 6839080740), (4, 5129310555), (5, 4103448444), (6, 3419540370), (9, 2279693580), (10, 2051724222), (12, 1709770185), (15, 1367816148), (18, 1139846790), (20, 1025862111), (27, 759897860), (30, 683908074), (36, 569923395), (37, 554520060), (45, 455938716), (54, 379948930), (60, 341954037), (74, 277260030), (90, 227969358), (108, 189974465), (109, 188231580), (111, 184840020), (135, 151979572), (148, 138630015), (180, 113984679), (185, 110904012), (218, 94115790), (222, 92420010), (270, 75989786), (327, 62743860), (333, 61613340), (370, 55452006), (436, 47057895), (444, 46210005), (540, 37994893), (545, 37646316), (555, 36968004), (654, 31371930), (666, 30806670), (740, 27726003), (981, 20914620), (999, 20537780), (1090, 18823158), (1110, 18484002), (1308, 15685965), (1332, 15403335), (1635, 12548772), (1665, 12322668), (1962, 10457310), (1998, 10268890), (2180, 9411579), (2220, 9242001), (2943, 6971540), (3270, 6274386), (3330, 6161334), (3924, 5228655), (3996, 5134445), (4033, 5087340), (4905, 4182924), (4995, 4107556), (5886, 3485770), (6540, 3137193), (6660, 3080667), (8066, 2543670), (9421, 2177820), (9810, 2091462), (9990, 2053778), (11772, 1742885), (12099, 1695780), (14715, 1394308), (16132, 1271835), (18842, 1088910), (19620, 1045731), (19980, 1026889), (20165, 1017468), (24198, 847890), (28263, 725940), (29430, 697154), (36297, 565260), (37684, 544455), (40330, 508734), (47105, 435564), (48396, 423945), (56526, 362970), (58860, 348577), (60495, 339156), (72594, 282630), (80660, 254367), (84789, 241980), (94210, 217782), (108891, 188420), (113052, 181485), (120990, 169578), (141315, 145188)]