20221498780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2367857}}^1$

素因数の和:2367934

約数の個数: 48

約数和(自身を含む): 49327217856

約数和(自身を除く): 29105719076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 2367857, 4735714, 9471428, 11839285, 16574999, 23678570, 33149998, 47357140, 66299996, 82874995, 144439277, 165749990, 288878554, 331499980, 577757108, 722196385, 1011074939, 1444392770, 2022149878, 2888785540, 4044299756, 5055374695, 10110749390, 20221498780]

約数ペア:

[(1, 20221498780), (2, 10110749390), (4, 5055374695), (5, 4044299756), (7, 2888785540), (10, 2022149878), (14, 1444392770), (20, 1011074939), (28, 722196385), (35, 577757108), (61, 331499980), (70, 288878554), (122, 165749990), (140, 144439277), (244, 82874995), (305, 66299996), (427, 47357140), (610, 33149998), (854, 23678570), (1220, 16574999), (1708, 11839285), (2135, 9471428), (4270, 4735714), (8540, 2367857)]