20185501410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{520379}}^1$

素因数の和:520823

約数の個数: 48

約数和(自身を含む): 52604173440

約数和(自身を除く): 32418672030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 431, 862, 1293, 2155, 2586, 3879, 4310, 6465, 7758, 12930, 19395, 38790, 520379, 1040758, 1561137, 2601895, 3122274, 4683411, 5203790, 7805685, 9366822, 15611370, 23417055, 46834110, 224283349, 448566698, 672850047, 1121416745, 1345700094, 2018550141, 2242833490, 3364250235, 4037100282, 6728500470, 10092750705, 20185501410]

約数ペア:

[(1, 20185501410), (2, 10092750705), (3, 6728500470), (5, 4037100282), (6, 3364250235), (9, 2242833490), (10, 2018550141), (15, 1345700094), (18, 1121416745), (30, 672850047), (45, 448566698), (90, 224283349), (431, 46834110), (862, 23417055), (1293, 15611370), (2155, 9366822), (2586, 7805685), (3879, 5203790), (4310, 4683411), (6465, 3122274), (7758, 2601895), (12930, 1561137), (19395, 1040758), (38790, 520379)]