20602384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 47050560

約数和(自身を除く): 26448176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 61, 76, 88, 101, 122, 152, 176, 202, 209, 244, 304, 404, 418, 488, 671, 808, 836, 976, 1111, 1159, 1342, 1616, 1672, 1919, 2222, 2318, 2684, 3344, 3838, 4444, 4636, 5368, 6161, 7676, 8888, 9272, 10736, 12322, 12749, 15352, 17776, 18544, 21109, 24644, 25498, 30704, 42218, 49288, 50996, 67771, 84436, 98576, 101992, 117059, 135542, 168872, 203984, 234118, 271084, 337744, 468236, 542168, 936472, 1084336, 1287649, 1872944, 2575298, 5150596, 10301192, 20602384]

約数ペア:

[(1, 20602384), (2, 10301192), (4, 5150596), (8, 2575298), (11, 1872944), (16, 1287649), (19, 1084336), (22, 936472), (38, 542168), (44, 468236), (61, 337744), (76, 271084), (88, 234118), (101, 203984), (122, 168872), (152, 135542), (176, 117059), (202, 101992), (209, 98576), (244, 84436), (304, 67771), (404, 50996), (418, 49288), (488, 42218), (671, 30704), (808, 25498), (836, 24644), (976, 21109), (1111, 18544), (1159, 17776), (1342, 15352), (1616, 12749), (1672, 12322), (1919, 10736), (2222, 9272), (2318, 8888), (2684, 7676), (3344, 6161), (3838, 5368), (4444, 4636)]