20694720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21557}}^1$

素因数の和:21577

約数の個数: 56

約数和(自身を含む): 65708784

約数和(自身を除く): 45014064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21557, 43114, 64671, 86228, 107785, 129342, 172456, 215570, 258684, 323355, 344912, 431140, 517368, 646710, 689824, 862280, 1034736, 1293420, 1379648, 1724560, 2069472, 2586840, 3449120, 4138944, 5173680, 6898240, 10347360, 20694720]

約数ペア:

[(1, 20694720), (2, 10347360), (3, 6898240), (4, 5173680), (5, 4138944), (6, 3449120), (8, 2586840), (10, 2069472), (12, 1724560), (15, 1379648), (16, 1293420), (20, 1034736), (24, 862280), (30, 689824), (32, 646710), (40, 517368), (48, 431140), (60, 344912), (64, 323355), (80, 258684), (96, 215570), (120, 172456), (160, 129342), (192, 107785), (240, 86228), (320, 64671), (480, 43114), (960, 21557)]