20896590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4905

約数の個数: 64

約数和(自身を含む): 58931712

約数和(自身を除く): 38035122

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4871, 9742, 14613, 24355, 29226, 48710, 53581, 63323, 73065, 107162, 126646, 146130, 160743, 189969, 267905, 316615, 321486, 379938, 535810, 633230, 696553, 803715, 949845, 1393106, 1607430, 1899690, 2089659, 3482765, 4179318, 6965530, 10448295, 20896590]

約数ペア:

[(1, 20896590), (2, 10448295), (3, 6965530), (5, 4179318), (6, 3482765), (10, 2089659), (11, 1899690), (13, 1607430), (15, 1393106), (22, 949845), (26, 803715), (30, 696553), (33, 633230), (39, 535810), (55, 379938), (65, 321486), (66, 316615), (78, 267905), (110, 189969), (130, 160743), (143, 146130), (165, 126646), (195, 107162), (286, 73065), (330, 63323), (390, 53581), (429, 48710), (715, 29226), (858, 24355), (1430, 14613), (2145, 9742), (4290, 4871)]