22061780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 50866704

約数和(自身を除く): 28804924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1601, 2756, 3202, 3445, 6404, 6890, 8005, 13780, 16010, 20813, 32020, 41626, 83252, 84853, 104065, 169706, 208130, 339412, 416260, 424265, 848530, 1103089, 1697060, 2206178, 4412356, 5515445, 11030890, 22061780]

約数ペア:

[(1, 22061780), (2, 11030890), (4, 5515445), (5, 4412356), (10, 2206178), (13, 1697060), (20, 1103089), (26, 848530), (52, 424265), (53, 416260), (65, 339412), (106, 208130), (130, 169706), (212, 104065), (260, 84853), (265, 83252), (530, 41626), (689, 32020), (1060, 20813), (1378, 16010), (1601, 13780), (2756, 8005), (3202, 6890), (3445, 6404)]