20320950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:658

約数の個数: 96

約数和(自身を含む): 57558816

約数和(自身を除く): 37237866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 170, 195, 221, 255, 325, 390, 425, 442, 510, 613, 650, 663, 850, 975, 1105, 1226, 1275, 1326, 1839, 1950, 2210, 2550, 3065, 3315, 3678, 5525, 6130, 6630, 7969, 9195, 10421, 11050, 15325, 15938, 16575, 18390, 20842, 23907, 30650, 31263, 33150, 39845, 45975, 47814, 52105, 62526, 79690, 91950, 104210, 119535, 135473, 156315, 199225, 239070, 260525, 270946, 312630, 398450, 406419, 521050, 597675, 677365, 781575, 812838, 1195350, 1354730, 1563150, 2032095, 3386825, 4064190, 6773650, 10160475, 20320950]

約数ペア:

[(1, 20320950), (2, 10160475), (3, 6773650), (5, 4064190), (6, 3386825), (10, 2032095), (13, 1563150), (15, 1354730), (17, 1195350), (25, 812838), (26, 781575), (30, 677365), (34, 597675), (39, 521050), (50, 406419), (51, 398450), (65, 312630), (75, 270946), (78, 260525), (85, 239070), (102, 199225), (130, 156315), (150, 135473), (170, 119535), (195, 104210), (221, 91950), (255, 79690), (325, 62526), (390, 52105), (425, 47814), (442, 45975), (510, 39845), (613, 33150), (650, 31263), (663, 30650), (850, 23907), (975, 20842), (1105, 18390), (1226, 16575), (1275, 15938), (1326, 15325), (1839, 11050), (1950, 10421), (2210, 9195), (2550, 7969), (3065, 6630), (3315, 6130), (3678, 5525)]