20774640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86561}}^1$

素因数の和:86577

約数の個数: 40

約数和(自身を含む): 64402128

約数和(自身を除く): 43627488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86561, 173122, 259683, 346244, 432805, 519366, 692488, 865610, 1038732, 1298415, 1384976, 1731220, 2077464, 2596830, 3462440, 4154928, 5193660, 6924880, 10387320, 20774640]

約数ペア:

[(1, 20774640), (2, 10387320), (3, 6924880), (4, 5193660), (5, 4154928), (6, 3462440), (8, 2596830), (10, 2077464), (12, 1731220), (15, 1384976), (16, 1298415), (20, 1038732), (24, 865610), (30, 692488), (40, 519366), (48, 432805), (60, 346244), (80, 259683), (120, 173122), (240, 86561)]