20164952920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{21163}}^1$

素因数の和:21305

約数の個数: 128

約数和(自身を含む): 53759946240

約数和(自身を除く): 33594993320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 83, 140, 164, 166, 205, 280, 287, 328, 332, 410, 415, 574, 581, 664, 820, 830, 1148, 1162, 1435, 1640, 1660, 2296, 2324, 2870, 2905, 3320, 3403, 4648, 5740, 5810, 6806, 11480, 11620, 13612, 17015, 21163, 23240, 23821, 27224, 34030, 42326, 47642, 68060, 84652, 95284, 105815, 119105, 136120, 148141, 169304, 190568, 211630, 238210, 296282, 423260, 476420, 592564, 740705, 846520, 867683, 952840, 1185128, 1481410, 1735366, 1756529, 2962820, 3470732, 3513058, 4338415, 5925640, 6073781, 6941464, 7026116, 8676830, 8782645, 12147562, 12295703, 14052232, 17353660, 17565290, 24295124, 24591406, 30368905, 34707320, 35130580, 48590248, 49182812, 60737810, 61478515, 70261160, 72017689, 98365624, 121475620, 122957030, 144035378, 242951240, 245914060, 288070756, 360088445, 491828120, 504123823, 576141512, 720176890, 1008247646, 1440353780, 2016495292, 2520619115, 2880707560, 4032990584, 5041238230, 10082476460, 20164952920]

約数ペア:

[(1, 20164952920), (2, 10082476460), (4, 5041238230), (5, 4032990584), (7, 2880707560), (8, 2520619115), (10, 2016495292), (14, 1440353780), (20, 1008247646), (28, 720176890), (35, 576141512), (40, 504123823), (41, 491828120), (56, 360088445), (70, 288070756), (82, 245914060), (83, 242951240), (140, 144035378), (164, 122957030), (166, 121475620), (205, 98365624), (280, 72017689), (287, 70261160), (328, 61478515), (332, 60737810), (410, 49182812), (415, 48590248), (574, 35130580), (581, 34707320), (664, 30368905), (820, 24591406), (830, 24295124), (1148, 17565290), (1162, 17353660), (1435, 14052232), (1640, 12295703), (1660, 12147562), (2296, 8782645), (2324, 8676830), (2870, 7026116), (2905, 6941464), (3320, 6073781), (3403, 5925640), (4648, 4338415), (5740, 3513058), (5810, 3470732), (6806, 2962820), (11480, 1756529), (11620, 1735366), (13612, 1481410), (17015, 1185128), (21163, 952840), (23240, 867683), (23821, 846520), (27224, 740705), (34030, 592564), (42326, 476420), (47642, 423260), (68060, 296282), (84652, 238210), (95284, 211630), (105815, 190568), (119105, 169304), (136120, 148141)]