20762430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 54190080

約数和(自身を除く): 33427650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 139, 195, 278, 383, 390, 417, 695, 766, 834, 1149, 1390, 1807, 1915, 2085, 2298, 3614, 3830, 4170, 4979, 5421, 5745, 9035, 9958, 10842, 11490, 14937, 18070, 24895, 27105, 29874, 49790, 53237, 54210, 74685, 106474, 149370, 159711, 266185, 319422, 532370, 692081, 798555, 1384162, 1597110, 2076243, 3460405, 4152486, 6920810, 10381215, 20762430]

約数ペア:

[(1, 20762430), (2, 10381215), (3, 6920810), (5, 4152486), (6, 3460405), (10, 2076243), (13, 1597110), (15, 1384162), (26, 798555), (30, 692081), (39, 532370), (65, 319422), (78, 266185), (130, 159711), (139, 149370), (195, 106474), (278, 74685), (383, 54210), (390, 53237), (417, 49790), (695, 29874), (766, 27105), (834, 24895), (1149, 18070), (1390, 14937), (1807, 11490), (1915, 10842), (2085, 9958), (2298, 9035), (3614, 5745), (3830, 5421), (4170, 4979)]