20346620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 32488708

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 83, 85, 103, 119, 140, 166, 170, 206, 238, 332, 340, 412, 415, 476, 515, 581, 595, 721, 830, 1030, 1162, 1190, 1411, 1442, 1660, 1751, 2060, 2324, 2380, 2822, 2884, 2905, 3502, 3605, 5644, 5810, 7004, 7055, 7210, 8549, 8755, 9877, 11620, 12257, 14110, 14420, 17098, 17510, 19754, 24514, 28220, 34196, 35020, 39508, 42745, 49028, 49385, 59843, 61285, 85490, 98770, 119686, 122570, 145333, 170980, 197540, 239372, 245140, 290666, 299215, 581332, 598430, 726665, 1017331, 1196860, 1453330, 2034662, 2906660, 4069324, 5086655, 10173310, 20346620]

約数ペア:

[(1, 20346620), (2, 10173310), (4, 5086655), (5, 4069324), (7, 2906660), (10, 2034662), (14, 1453330), (17, 1196860), (20, 1017331), (28, 726665), (34, 598430), (35, 581332), (68, 299215), (70, 290666), (83, 245140), (85, 239372), (103, 197540), (119, 170980), (140, 145333), (166, 122570), (170, 119686), (206, 98770), (238, 85490), (332, 61285), (340, 59843), (412, 49385), (415, 49028), (476, 42745), (515, 39508), (581, 35020), (595, 34196), (721, 28220), (830, 24514), (1030, 19754), (1162, 17510), (1190, 17098), (1411, 14420), (1442, 14110), (1660, 12257), (1751, 11620), (2060, 9877), (2324, 8755), (2380, 8549), (2822, 7210), (2884, 7055), (2905, 7004), (3502, 5810), (3605, 5644)]