20145896980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1\times {\mathrm{1619}}^1$

素因数の和:2149

約数の個数: 96

約数和(自身を含む): 46598146560

約数和(自身を除く): 26452249580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 347, 652, 694, 815, 1388, 1619, 1630, 1735, 1793, 3238, 3260, 3470, 3586, 3817, 6476, 6940, 7172, 7634, 8095, 8965, 15268, 16190, 17809, 17930, 19085, 32380, 35618, 35860, 38170, 56561, 71236, 76340, 89045, 113122, 178090, 226244, 263897, 282805, 356180, 527794, 561793, 565610, 622171, 1055588, 1123586, 1131220, 1244342, 1319485, 2247172, 2488684, 2638970, 2808965, 2902867, 3110855, 5277940, 5617930, 5805734, 6179723, 6221710, 11235860, 11611468, 12359446, 12443420, 14514335, 24718892, 29028670, 30898615, 58057340, 61797230, 91572259, 123594460, 183144518, 366289036, 457861295, 915722590, 1007294849, 1831445180, 2014589698, 4029179396, 5036474245, 10072948490, 20145896980]

約数ペア:

[(1, 20145896980), (2, 10072948490), (4, 5036474245), (5, 4029179396), (10, 2014589698), (11, 1831445180), (20, 1007294849), (22, 915722590), (44, 457861295), (55, 366289036), (110, 183144518), (163, 123594460), (220, 91572259), (326, 61797230), (347, 58057340), (652, 30898615), (694, 29028670), (815, 24718892), (1388, 14514335), (1619, 12443420), (1630, 12359446), (1735, 11611468), (1793, 11235860), (3238, 6221710), (3260, 6179723), (3470, 5805734), (3586, 5617930), (3817, 5277940), (6476, 3110855), (6940, 2902867), (7172, 2808965), (7634, 2638970), (8095, 2488684), (8965, 2247172), (15268, 1319485), (16190, 1244342), (17809, 1131220), (17930, 1123586), (19085, 1055588), (32380, 622171), (35618, 565610), (35860, 561793), (38170, 527794), (56561, 356180), (71236, 282805), (76340, 263897), (89045, 226244), (113122, 178090)]