20154672010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{203809}}^1$

素因数の和:203887

約数の個数: 64

約数和(自身を含む): 42262041600

約数和(自身を除く): 22107369590

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 110, 145, 155, 290, 310, 319, 341, 638, 682, 899, 1595, 1705, 1798, 3190, 3410, 4495, 8990, 9889, 19778, 49445, 98890, 203809, 407618, 1019045, 2038090, 2241899, 4483798, 5910461, 6318079, 11209495, 11820922, 12636158, 22418990, 29552305, 31590395, 59104610, 63180790, 65015071, 69498869, 130030142, 138997738, 183224291, 325075355, 347494345, 366448582, 650150710, 694988690, 916121455, 1832242910, 2015467201, 4030934402, 10077336005, 20154672010]

約数ペア:

[(1, 20154672010), (2, 10077336005), (5, 4030934402), (10, 2015467201), (11, 1832242910), (22, 916121455), (29, 694988690), (31, 650150710), (55, 366448582), (58, 347494345), (62, 325075355), (110, 183224291), (145, 138997738), (155, 130030142), (290, 69498869), (310, 65015071), (319, 63180790), (341, 59104610), (638, 31590395), (682, 29552305), (899, 22418990), (1595, 12636158), (1705, 11820922), (1798, 11209495), (3190, 6318079), (3410, 5910461), (4495, 4483798), (8990, 2241899), (9889, 2038090), (19778, 1019045), (49445, 407618), (98890, 203809)]