20296560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4451}}^1$

素因数の和:4486

約数の個数: 80

約数和(自身を含む): 66245760

約数和(自身を除く): 45949200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4451, 4560, 8902, 13353, 17804, 22255, 26706, 35608, 44510, 53412, 66765, 71216, 84569, 89020, 106824, 133530, 169138, 178040, 213648, 253707, 267060, 338276, 356080, 422845, 507414, 534120, 676552, 845690, 1014828, 1068240, 1268535, 1353104, 1691380, 2029656, 2537070, 3382760, 4059312, 5074140, 6765520, 10148280, 20296560]

約数ペア:

[(1, 20296560), (2, 10148280), (3, 6765520), (4, 5074140), (5, 4059312), (6, 3382760), (8, 2537070), (10, 2029656), (12, 1691380), (15, 1353104), (16, 1268535), (19, 1068240), (20, 1014828), (24, 845690), (30, 676552), (38, 534120), (40, 507414), (48, 422845), (57, 356080), (60, 338276), (76, 267060), (80, 253707), (95, 213648), (114, 178040), (120, 169138), (152, 133530), (190, 106824), (228, 89020), (240, 84569), (285, 71216), (304, 66765), (380, 53412), (456, 44510), (570, 35608), (760, 26706), (912, 22255), (1140, 17804), (1520, 13353), (2280, 8902), (4451, 4560)]