20126576590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{8161}}^1$

素因数の和:8437

約数の個数: 64

約数和(自身を含む): 39032642880

約数和(自身を除く): 18906066290

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 163, 170, 178, 326, 445, 815, 890, 1513, 1630, 2771, 3026, 5542, 7565, 8161, 13855, 14507, 15130, 16322, 27710, 29014, 40805, 72535, 81610, 138737, 145070, 246619, 277474, 493238, 693685, 726329, 1233095, 1330243, 1387370, 1452658, 2466190, 2660486, 3631645, 6651215, 7263290, 12347593, 13302430, 22614131, 24695186, 45228262, 61737965, 113070655, 118391627, 123475930, 226141310, 236783254, 591958135, 1183916270, 2012657659, 4025315318, 10063288295, 20126576590]

約数ペア:

[(1, 20126576590), (2, 10063288295), (5, 4025315318), (10, 2012657659), (17, 1183916270), (34, 591958135), (85, 236783254), (89, 226141310), (163, 123475930), (170, 118391627), (178, 113070655), (326, 61737965), (445, 45228262), (815, 24695186), (890, 22614131), (1513, 13302430), (1630, 12347593), (2771, 7263290), (3026, 6651215), (5542, 3631645), (7565, 2660486), (8161, 2466190), (13855, 1452658), (14507, 1387370), (15130, 1330243), (16322, 1233095), (27710, 726329), (29014, 693685), (40805, 493238), (72535, 277474), (81610, 246619), (138737, 145070)]