20935560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2957}}^1$

素因数の和:3030

約数の個数: 64

約数和(自身を含む): 63892800

約数和(自身を除く): 42957240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2957, 3540, 5914, 7080, 8871, 11828, 14785, 17742, 23656, 29570, 35484, 44355, 59140, 70968, 88710, 118280, 174463, 177420, 348926, 354840, 523389, 697852, 872315, 1046778, 1395704, 1744630, 2093556, 2616945, 3489260, 4187112, 5233890, 6978520, 10467780, 20935560]

約数ペア:

[(1, 20935560), (2, 10467780), (3, 6978520), (4, 5233890), (5, 4187112), (6, 3489260), (8, 2616945), (10, 2093556), (12, 1744630), (15, 1395704), (20, 1046778), (24, 872315), (30, 697852), (40, 523389), (59, 354840), (60, 348926), (118, 177420), (120, 174463), (177, 118280), (236, 88710), (295, 70968), (354, 59140), (472, 44355), (590, 35484), (708, 29570), (885, 23656), (1180, 17742), (1416, 14785), (1770, 11828), (2360, 8871), (2957, 7080), (3540, 5914)]