20138021460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{530227}}^1$

素因数の和:530453

約数の個数: 72

約数和(自身を含む): 61374951456

約数和(自身を除く): 41236929996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 37980, 530227, 1060454, 1590681, 2120908, 2651135, 3181362, 4772043, 5302270, 6362724, 7953405, 9544086, 10604540, 15906810, 19088172, 23860215, 31813620, 47720430, 95440860, 111877897, 223755794, 335633691, 447511588, 559389485, 671267382, 1006901073, 1118778970, 1342534764, 1678168455, 2013802146, 2237557940, 3356336910, 4027604292, 5034505365, 6712673820, 10069010730, 20138021460]

約数ペア:

[(1, 20138021460), (2, 10069010730), (3, 6712673820), (4, 5034505365), (5, 4027604292), (6, 3356336910), (9, 2237557940), (10, 2013802146), (12, 1678168455), (15, 1342534764), (18, 1118778970), (20, 1006901073), (30, 671267382), (36, 559389485), (45, 447511588), (60, 335633691), (90, 223755794), (180, 111877897), (211, 95440860), (422, 47720430), (633, 31813620), (844, 23860215), (1055, 19088172), (1266, 15906810), (1899, 10604540), (2110, 9544086), (2532, 7953405), (3165, 6362724), (3798, 5302270), (4220, 4772043), (6330, 3181362), (7596, 2651135), (9495, 2120908), (12660, 1590681), (18990, 1060454), (37980, 530227)]