20423364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1580

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 31508796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 178, 267, 356, 534, 1068, 1157, 1471, 2314, 2942, 3471, 4413, 4628, 5884, 6942, 8826, 13884, 17652, 19123, 38246, 57369, 76492, 114738, 130919, 229476, 261838, 392757, 523676, 785514, 1571028, 1701947, 3403894, 5105841, 6807788, 10211682, 20423364]

約数ペア:

[(1, 20423364), (2, 10211682), (3, 6807788), (4, 5105841), (6, 3403894), (12, 1701947), (13, 1571028), (26, 785514), (39, 523676), (52, 392757), (78, 261838), (89, 229476), (156, 130919), (178, 114738), (267, 76492), (356, 57369), (534, 38246), (1068, 19123), (1157, 17652), (1471, 13884), (2314, 8826), (2942, 6942), (3471, 5884), (4413, 4628)]