20736089090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{133583}}^1$

素因数の和:133671

約数の個数: 48

約数和(自身を含む): 40309239168

約数和(自身を除く): 19573150078

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 722, 817, 1634, 1805, 3610, 4085, 8170, 15523, 31046, 77615, 133583, 155230, 267166, 667915, 1335830, 2538077, 5076154, 5744069, 11488138, 12690385, 25380770, 28720345, 48223463, 57440690, 96446926, 109137311, 218274622, 241117315, 482234630, 545686555, 1091373110, 2073608909, 4147217818, 10368044545, 20736089090]

約数ペア:

[(1, 20736089090), (2, 10368044545), (5, 4147217818), (10, 2073608909), (19, 1091373110), (38, 545686555), (43, 482234630), (86, 241117315), (95, 218274622), (190, 109137311), (215, 96446926), (361, 57440690), (430, 48223463), (722, 28720345), (817, 25380770), (1634, 12690385), (1805, 11488138), (3610, 5744069), (4085, 5076154), (8170, 2538077), (15523, 1335830), (31046, 667915), (77615, 267166), (133583, 155230)]