20170378725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1229}}^1$

素因数の和:2019

約数の個数: 96

約数和(自身を含む): 39084165120

約数和(自身を除く): 18913786395

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 727, 903, 1075, 1229, 1505, 2181, 3225, 3635, 3687, 4515, 5089, 6145, 7525, 8603, 10905, 15267, 18175, 18435, 22575, 25445, 25809, 30725, 31261, 43015, 52847, 54525, 76335, 92175, 93783, 127225, 129045, 156305, 158541, 215075, 218827, 264235, 369929, 381675, 468915, 645225, 656481, 781525, 792705, 893483, 1094135, 1109787, 1321175, 1849645, 2344575, 2680449, 3282405, 3963525, 4467415, 5470675, 5548935, 6254381, 9248225, 13402245, 16412025, 18763143, 22337075, 27744675, 31271905, 38419769, 67011225, 93815715, 115259307, 156359525, 192098845, 268938383, 469078575, 576296535, 806815149, 960494225, 1344691915, 2881482675, 4034075745, 6723459575, 20170378725]

約数ペア:

[(1, 20170378725), (3, 6723459575), (5, 4034075745), (7, 2881482675), (15, 1344691915), (21, 960494225), (25, 806815149), (35, 576296535), (43, 469078575), (75, 268938383), (105, 192098845), (129, 156359525), (175, 115259307), (215, 93815715), (301, 67011225), (525, 38419769), (645, 31271905), (727, 27744675), (903, 22337075), (1075, 18763143), (1229, 16412025), (1505, 13402245), (2181, 9248225), (3225, 6254381), (3635, 5548935), (3687, 5470675), (4515, 4467415), (5089, 3963525), (6145, 3282405), (7525, 2680449), (8603, 2344575), (10905, 1849645), (15267, 1321175), (18175, 1109787), (18435, 1094135), (22575, 893483), (25445, 792705), (25809, 781525), (30725, 656481), (31261, 645225), (43015, 468915), (52847, 381675), (54525, 369929), (76335, 264235), (92175, 218827), (93783, 215075), (127225, 158541), (129045, 156305)]