20172978770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{277903}}^1$

素因数の和:277995

約数の個数: 64

約数和(自身を含む): 44660284416

約数和(自身を除く): 24487305646

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 305, 427, 595, 610, 854, 1037, 1190, 2074, 2135, 4270, 5185, 7259, 10370, 14518, 36295, 72590, 277903, 555806, 1389515, 1945321, 2779030, 3890642, 4724351, 9448702, 9726605, 16952083, 19453210, 23621755, 33070457, 33904166, 47243510, 66140914, 84760415, 118664581, 165352285, 169520830, 237329162, 288185411, 330704570, 576370822, 593322905, 1186645810, 1440927055, 2017297877, 2881854110, 4034595754, 10086489385, 20172978770]

約数ペア:

[(1, 20172978770), (2, 10086489385), (5, 4034595754), (7, 2881854110), (10, 2017297877), (14, 1440927055), (17, 1186645810), (34, 593322905), (35, 576370822), (61, 330704570), (70, 288185411), (85, 237329162), (119, 169520830), (122, 165352285), (170, 118664581), (238, 84760415), (305, 66140914), (427, 47243510), (595, 33904166), (610, 33070457), (854, 23621755), (1037, 19453210), (1190, 16952083), (2074, 9726605), (2135, 9448702), (4270, 4724351), (5185, 3890642), (7259, 2779030), (10370, 1945321), (14518, 1389515), (36295, 555806), (72590, 277903)]