20161806420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{8447}}^1\times {\mathrm{5683}}^1$

素因数の和:14149

約数の個数: 96

約数和(自身を含む): 64536772608

約数和(自身を除く): 44374966188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5683, 8447, 11366, 16894, 17049, 22732, 25341, 28415, 33788, 34098, 39781, 42235, 50682, 56830, 59129, 68196, 79562, 84470, 85245, 101364, 113660, 118258, 119343, 126705, 159124, 168940, 170490, 177387, 198905, 236516, 238686, 253410, 295645, 340980, 354774, 397810, 477372, 506820, 591290, 596715, 709548, 795620, 886935, 1182580, 1193430, 1773870, 2386860, 3547740, 48004301, 96008602, 144012903, 192017204, 240021505, 288025806, 336030107, 480043010, 576051612, 672060214, 720064515, 960086020, 1008090321, 1344120428, 1440129030, 1680150535, 2016180642, 2880258060, 3360301070, 4032361284, 5040451605, 6720602140, 10080903210, 20161806420]

約数ペア:

[(1, 20161806420), (2, 10080903210), (3, 6720602140), (4, 5040451605), (5, 4032361284), (6, 3360301070), (7, 2880258060), (10, 2016180642), (12, 1680150535), (14, 1440129030), (15, 1344120428), (20, 1008090321), (21, 960086020), (28, 720064515), (30, 672060214), (35, 576051612), (42, 480043010), (60, 336030107), (70, 288025806), (84, 240021505), (105, 192017204), (140, 144012903), (210, 96008602), (420, 48004301), (5683, 3547740), (8447, 2386860), (11366, 1773870), (16894, 1193430), (17049, 1182580), (22732, 886935), (25341, 795620), (28415, 709548), (33788, 596715), (34098, 591290), (39781, 506820), (42235, 477372), (50682, 397810), (56830, 354774), (59129, 340980), (68196, 295645), (79562, 253410), (84470, 238686), (85245, 236516), (101364, 198905), (113660, 177387), (118258, 170490), (119343, 168940), (126705, 159124)]