20744765442

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{911}}^1$

素因数の和:1237

約数の個数: 128

約数和(自身を含む): 48636887040

約数和(自身を除く): 27892121598

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 61, 62, 93, 122, 183, 186, 223, 279, 366, 446, 549, 558, 669, 837, 911, 1098, 1338, 1647, 1674, 1822, 1891, 2007, 2733, 3294, 3782, 4014, 5466, 5673, 6021, 6913, 8199, 11346, 12042, 13603, 13826, 16398, 17019, 20739, 24597, 27206, 28241, 34038, 40809, 41478, 49194, 51057, 55571, 56482, 62217, 81618, 84723, 102114, 111142, 122427, 124434, 166713, 169446, 186651, 203153, 244854, 254169, 333426, 367281, 373302, 406306, 421693, 500139, 508338, 609459, 734562, 762507, 843386, 1000278, 1218918, 1265079, 1500417, 1525014, 1722701, 1828377, 2530158, 3000834, 3445402, 3656754, 3795237, 5168103, 5485131, 6297743, 7590474, 10336206, 10970262, 11385711, 12392333, 12595486, 15504309, 18893229, 22771422, 24784666, 31008618, 37176999, 37786458, 46512927, 56679687, 74353998, 93025854, 111530997, 113359374, 170039061, 223061994, 334592991, 340078122, 384162323, 669185982, 768324646, 1152486969, 2304973938, 3457460907, 6914921814, 10372382721, 20744765442]

約数ペア:

[(1, 20744765442), (2, 10372382721), (3, 6914921814), (6, 3457460907), (9, 2304973938), (18, 1152486969), (27, 768324646), (31, 669185982), (54, 384162323), (61, 340078122), (62, 334592991), (93, 223061994), (122, 170039061), (183, 113359374), (186, 111530997), (223, 93025854), (279, 74353998), (366, 56679687), (446, 46512927), (549, 37786458), (558, 37176999), (669, 31008618), (837, 24784666), (911, 22771422), (1098, 18893229), (1338, 15504309), (1647, 12595486), (1674, 12392333), (1822, 11385711), (1891, 10970262), (2007, 10336206), (2733, 7590474), (3294, 6297743), (3782, 5485131), (4014, 5168103), (5466, 3795237), (5673, 3656754), (6021, 3445402), (6913, 3000834), (8199, 2530158), (11346, 1828377), (12042, 1722701), (13603, 1525014), (13826, 1500417), (16398, 1265079), (17019, 1218918), (20739, 1000278), (24597, 843386), (27206, 762507), (28241, 734562), (34038, 609459), (40809, 508338), (41478, 500139), (49194, 421693), (51057, 406306), (55571, 373302), (56482, 367281), (62217, 333426), (81618, 254169), (84723, 244854), (102114, 203153), (111142, 186651), (122427, 169446), (124434, 166713)]