20321520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84673}}^1$

素因数の和:84689

約数の個数: 40

約数和(自身を含む): 62997456

約数和(自身を除く): 42675936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84673, 169346, 254019, 338692, 423365, 508038, 677384, 846730, 1016076, 1270095, 1354768, 1693460, 2032152, 2540190, 3386920, 4064304, 5080380, 6773840, 10160760, 20321520]

約数ペア:

[(1, 20321520), (2, 10160760), (3, 6773840), (4, 5080380), (5, 4064304), (6, 3386920), (8, 2540190), (10, 2032152), (12, 1693460), (15, 1354768), (16, 1270095), (20, 1016076), (24, 846730), (30, 677384), (40, 508038), (48, 423365), (60, 338692), (80, 254019), (120, 169346), (240, 84673)]