20492250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 51891840

約数和(自身を除く): 31399590

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 125, 150, 178, 250, 267, 307, 375, 445, 534, 614, 750, 890, 921, 1335, 1535, 1842, 2225, 2670, 3070, 4450, 4605, 6675, 7675, 9210, 11125, 13350, 15350, 22250, 23025, 27323, 33375, 38375, 46050, 54646, 66750, 76750, 81969, 115125, 136615, 163938, 230250, 273230, 409845, 683075, 819690, 1366150, 2049225, 3415375, 4098450, 6830750, 10246125, 20492250]

約数ペア:

[(1, 20492250), (2, 10246125), (3, 6830750), (5, 4098450), (6, 3415375), (10, 2049225), (15, 1366150), (25, 819690), (30, 683075), (50, 409845), (75, 273230), (89, 230250), (125, 163938), (150, 136615), (178, 115125), (250, 81969), (267, 76750), (307, 66750), (375, 54646), (445, 46050), (534, 38375), (614, 33375), (750, 27323), (890, 23025), (921, 22250), (1335, 15350), (1535, 13350), (1842, 11125), (2225, 9210), (2670, 7675), (3070, 6675), (4450, 4605)]