20157816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 59795280

約数和(自身を除く): 39637464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 61, 84, 98, 122, 147, 168, 183, 196, 244, 281, 294, 366, 392, 427, 488, 562, 588, 732, 843, 854, 1124, 1176, 1281, 1464, 1686, 1708, 1967, 2248, 2562, 2989, 3372, 3416, 3934, 5124, 5901, 5978, 6744, 7868, 8967, 10248, 11802, 11956, 13769, 15736, 17141, 17934, 23604, 23912, 27538, 34282, 35868, 41307, 47208, 51423, 55076, 68564, 71736, 82614, 102846, 110152, 119987, 137128, 165228, 205692, 239974, 330456, 359961, 411384, 479948, 719922, 839909, 959896, 1439844, 1679818, 2519727, 2879688, 3359636, 5039454, 6719272, 10078908, 20157816]

約数ペア:

[(1, 20157816), (2, 10078908), (3, 6719272), (4, 5039454), (6, 3359636), (7, 2879688), (8, 2519727), (12, 1679818), (14, 1439844), (21, 959896), (24, 839909), (28, 719922), (42, 479948), (49, 411384), (56, 359961), (61, 330456), (84, 239974), (98, 205692), (122, 165228), (147, 137128), (168, 119987), (183, 110152), (196, 102846), (244, 82614), (281, 71736), (294, 68564), (366, 55076), (392, 51423), (427, 47208), (488, 41307), (562, 35868), (588, 34282), (732, 27538), (843, 23912), (854, 23604), (1124, 17934), (1176, 17141), (1281, 15736), (1464, 13769), (1686, 11956), (1708, 11802), (1967, 10248), (2248, 8967), (2562, 7868), (2989, 6744), (3372, 5978), (3416, 5901), (3934, 5124)]