20478200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 53233200

約数和(自身を除く): 32755000

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 85, 95, 100, 136, 152, 170, 190, 200, 317, 323, 340, 380, 425, 475, 634, 646, 680, 760, 850, 950, 1268, 1292, 1585, 1615, 1700, 1900, 2536, 2584, 3170, 3230, 3400, 3800, 5389, 6023, 6340, 6460, 7925, 8075, 10778, 12046, 12680, 12920, 15850, 16150, 21556, 24092, 26945, 30115, 31700, 32300, 43112, 48184, 53890, 60230, 63400, 64600, 102391, 107780, 120460, 134725, 150575, 204782, 215560, 240920, 269450, 301150, 409564, 511955, 538900, 602300, 819128, 1023910, 1077800, 1204600, 2047820, 2559775, 4095640, 5119550, 10239100, 20478200]

約数ペア:

[(1, 20478200), (2, 10239100), (4, 5119550), (5, 4095640), (8, 2559775), (10, 2047820), (17, 1204600), (19, 1077800), (20, 1023910), (25, 819128), (34, 602300), (38, 538900), (40, 511955), (50, 409564), (68, 301150), (76, 269450), (85, 240920), (95, 215560), (100, 204782), (136, 150575), (152, 134725), (170, 120460), (190, 107780), (200, 102391), (317, 64600), (323, 63400), (340, 60230), (380, 53890), (425, 48184), (475, 43112), (634, 32300), (646, 31700), (680, 30115), (760, 26945), (850, 24092), (950, 21556), (1268, 16150), (1292, 15850), (1585, 12920), (1615, 12680), (1700, 12046), (1900, 10778), (2536, 8075), (2584, 7925), (3170, 6460), (3230, 6340), (3400, 6023), (3800, 5389)]