20163090016

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{4339}}^1\times {\mathrm{7643}}^1$

素因数の和:12011

約数の個数: 48

約数和(自身を含む): 41800449600

約数和(自身を除く): 21637359584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 4339, 7643, 8678, 15286, 17356, 30572, 34712, 61144, 69424, 82441, 122288, 138848, 145217, 164882, 244576, 290434, 329764, 580868, 659528, 1161736, 1319056, 2323472, 2638112, 4646944, 33162977, 66325954, 132651908, 265303816, 530607632, 630096563, 1061215264, 1260193126, 2520386252, 5040772504, 10081545008, 20163090016]

約数ペア:

[(1, 20163090016), (2, 10081545008), (4, 5040772504), (8, 2520386252), (16, 1260193126), (19, 1061215264), (32, 630096563), (38, 530607632), (76, 265303816), (152, 132651908), (304, 66325954), (608, 33162977), (4339, 4646944), (7643, 2638112), (8678, 2323472), (15286, 1319056), (17356, 1161736), (30572, 659528), (34712, 580868), (61144, 329764), (69424, 290434), (82441, 244576), (122288, 164882), (138848, 145217)]