20130894280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{153953}}^1$

素因数の和:154438

約数の個数: 64

約数和(自身を含む): 51876339840

約数和(自身を除く): 31745445560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 467, 934, 1868, 2335, 3269, 3736, 4670, 6538, 9340, 13076, 16345, 18680, 26152, 32690, 65380, 130760, 153953, 307906, 615812, 769765, 1077671, 1231624, 1539530, 2155342, 3079060, 4310684, 5388355, 6158120, 8621368, 10776710, 21553420, 43106840, 71896051, 143792102, 287584204, 359480255, 503272357, 575168408, 718960510, 1006544714, 1437921020, 2013089428, 2516361785, 2875842040, 4026178856, 5032723570, 10065447140, 20130894280]

約数ペア:

[(1, 20130894280), (2, 10065447140), (4, 5032723570), (5, 4026178856), (7, 2875842040), (8, 2516361785), (10, 2013089428), (14, 1437921020), (20, 1006544714), (28, 718960510), (35, 575168408), (40, 503272357), (56, 359480255), (70, 287584204), (140, 143792102), (280, 71896051), (467, 43106840), (934, 21553420), (1868, 10776710), (2335, 8621368), (3269, 6158120), (3736, 5388355), (4670, 4310684), (6538, 3079060), (9340, 2155342), (13076, 1539530), (16345, 1231624), (18680, 1077671), (26152, 769765), (32690, 615812), (65380, 307906), (130760, 153953)]