20754396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 57503264

約数和(自身を除く): 36748868

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 727, 732, 793, 1098, 1454, 1586, 2181, 2196, 2379, 2908, 3172, 4362, 4758, 6543, 7137, 8724, 9451, 9516, 13086, 14274, 18902, 26172, 28353, 28548, 37804, 44347, 56706, 85059, 88694, 113412, 133041, 170118, 177388, 266082, 340236, 399123, 532164, 576511, 798246, 1153022, 1596492, 1729533, 2306044, 3459066, 5188599, 6918132, 10377198, 20754396]

約数ペア:

[(1, 20754396), (2, 10377198), (3, 6918132), (4, 5188599), (6, 3459066), (9, 2306044), (12, 1729533), (13, 1596492), (18, 1153022), (26, 798246), (36, 576511), (39, 532164), (52, 399123), (61, 340236), (78, 266082), (117, 177388), (122, 170118), (156, 133041), (183, 113412), (234, 88694), (244, 85059), (366, 56706), (468, 44347), (549, 37804), (727, 28548), (732, 28353), (793, 26172), (1098, 18902), (1454, 14274), (1586, 13086), (2181, 9516), (2196, 9451), (2379, 8724), (2908, 7137), (3172, 6543), (4362, 4758)]