20102063280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{495613}}^1$

素因数の和:495655

約数の個数: 120

約数和(自身を含む): 67478837328

約数和(自身を除く): 47376774048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 20280, 40560, 495613, 991226, 1486839, 1982452, 2478065, 2973678, 3964904, 4956130, 5947356, 6442969, 7434195, 7929808, 9912260, 11894712, 12885938, 14868390, 19328907, 19824520, 23789424, 25771876, 29736780, 32214845, 38657814, 39649040, 51543752, 59473560, 64429690, 77315628, 83758597, 96644535, 103087504, 118947120, 128859380, 154631256, 167517194, 193289070, 251275791, 257718760, 309262512, 335034388, 386578140, 418792985, 502551582, 515437520, 670068776, 773156280, 837585970, 1005103164, 1256378955, 1340137552, 1546312560, 1675171940, 2010206328, 2512757910, 3350343880, 4020412656, 5025515820, 6700687760, 10051031640, 20102063280]

約数ペア:

[(1, 20102063280), (2, 10051031640), (3, 6700687760), (4, 5025515820), (5, 4020412656), (6, 3350343880), (8, 2512757910), (10, 2010206328), (12, 1675171940), (13, 1546312560), (15, 1340137552), (16, 1256378955), (20, 1005103164), (24, 837585970), (26, 773156280), (30, 670068776), (39, 515437520), (40, 502551582), (48, 418792985), (52, 386578140), (60, 335034388), (65, 309262512), (78, 257718760), (80, 251275791), (104, 193289070), (120, 167517194), (130, 154631256), (156, 128859380), (169, 118947120), (195, 103087504), (208, 96644535), (240, 83758597), (260, 77315628), (312, 64429690), (338, 59473560), (390, 51543752), (507, 39649040), (520, 38657814), (624, 32214845), (676, 29736780), (780, 25771876), (845, 23789424), (1014, 19824520), (1040, 19328907), (1352, 14868390), (1560, 12885938), (1690, 11894712), (2028, 9912260), (2535, 7929808), (2704, 7434195), (3120, 6442969), (3380, 5947356), (4056, 4956130), (5070, 3964904), (6760, 2973678), (8112, 2478065), (10140, 1982452), (13520, 1486839), (20280, 991226), (40560, 495613)]