20178348640

素因数分解:

$2^5\times 5^1\times {\mathrm{307}}^1\times {\mathrm{547}}^1\times {\mathrm{751}}^1$

素因数の和:1620

約数の個数: 96

約数和(自身を含む): 47977864704

約数和(自身を除く): 27799516064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 307, 547, 614, 751, 1094, 1228, 1502, 1535, 2188, 2456, 2735, 3004, 3070, 3755, 4376, 4912, 5470, 6008, 6140, 7510, 8752, 9824, 10940, 12016, 12280, 15020, 17504, 21880, 24032, 24560, 30040, 43760, 49120, 60080, 87520, 120160, 167929, 230557, 335858, 410797, 461114, 671716, 821594, 839645, 922228, 1152785, 1343432, 1643188, 1679290, 1844456, 2053985, 2305570, 2686864, 3286376, 3358580, 3688912, 4107970, 4611140, 5373728, 6572752, 6717160, 7377824, 8215940, 9222280, 13145504, 13434320, 16431880, 18444560, 26868640, 32863760, 36889120, 65727520, 126114679, 252229358, 504458716, 630573395, 1008917432, 1261146790, 2017834864, 2522293580, 4035669728, 5044587160, 10089174320, 20178348640]

約数ペア:

[(1, 20178348640), (2, 10089174320), (4, 5044587160), (5, 4035669728), (8, 2522293580), (10, 2017834864), (16, 1261146790), (20, 1008917432), (32, 630573395), (40, 504458716), (80, 252229358), (160, 126114679), (307, 65727520), (547, 36889120), (614, 32863760), (751, 26868640), (1094, 18444560), (1228, 16431880), (1502, 13434320), (1535, 13145504), (2188, 9222280), (2456, 8215940), (2735, 7377824), (3004, 6717160), (3070, 6572752), (3755, 5373728), (4376, 4611140), (4912, 4107970), (5470, 3688912), (6008, 3358580), (6140, 3286376), (7510, 2686864), (8752, 2305570), (9824, 2053985), (10940, 1844456), (12016, 1679290), (12280, 1643188), (15020, 1343432), (17504, 1152785), (21880, 922228), (24032, 839645), (24560, 821594), (30040, 671716), (43760, 461114), (49120, 410797), (60080, 335858), (87520, 230557), (120160, 167929)]