20129960110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{601}}^1\times {\mathrm{19819}}^1$

素因数の和:20453

約数の個数: 48

約数和(自身を含む): 39302822160

約数和(自身を除く): 19172862050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 601, 845, 1202, 1690, 3005, 6010, 7813, 15626, 19819, 39065, 39638, 78130, 99095, 101569, 198190, 203138, 257647, 507845, 515294, 1015690, 1288235, 2576470, 3349411, 6698822, 11911219, 16747055, 23822438, 33494110, 59556095, 119112190, 154845847, 309691694, 774229235, 1548458470, 2012996011, 4025992022, 10064980055, 20129960110]

約数ペア:

[(1, 20129960110), (2, 10064980055), (5, 4025992022), (10, 2012996011), (13, 1548458470), (26, 774229235), (65, 309691694), (130, 154845847), (169, 119112190), (338, 59556095), (601, 33494110), (845, 23822438), (1202, 16747055), (1690, 11911219), (3005, 6698822), (6010, 3349411), (7813, 2576470), (15626, 1288235), (19819, 1015690), (39065, 515294), (39638, 507845), (78130, 257647), (99095, 203138), (101569, 198190)]