20465952

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 62431488

約数和(自身を除く): 41965536

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 32, 39, 46, 48, 52, 62, 69, 78, 92, 93, 96, 104, 124, 138, 156, 184, 186, 208, 248, 276, 299, 312, 368, 372, 403, 416, 496, 529, 552, 598, 624, 713, 736, 744, 806, 897, 992, 1058, 1104, 1196, 1209, 1248, 1426, 1488, 1587, 1612, 1794, 2116, 2139, 2208, 2392, 2418, 2852, 2976, 3174, 3224, 3588, 4232, 4278, 4784, 4836, 5704, 6348, 6448, 6877, 7176, 8464, 8556, 9269, 9568, 9672, 11408, 12696, 12896, 13754, 14352, 16399, 16928, 17112, 18538, 19344, 20631, 22816, 25392, 27508, 27807, 28704, 32798, 34224, 37076, 38688, 41262, 49197, 50784, 55016, 55614, 65596, 68448, 74152, 82524, 98394, 110032, 111228, 131192, 148304, 165048, 196788, 213187, 220064, 222456, 262384, 296608, 330096, 393576, 426374, 444912, 524768, 639561, 660192, 787152, 852748, 889824, 1279122, 1574304, 1705496, 2558244, 3410992, 5116488, 6821984, 10232976, 20465952]

約数ペア:

[(1, 20465952), (2, 10232976), (3, 6821984), (4, 5116488), (6, 3410992), (8, 2558244), (12, 1705496), (13, 1574304), (16, 1279122), (23, 889824), (24, 852748), (26, 787152), (31, 660192), (32, 639561), (39, 524768), (46, 444912), (48, 426374), (52, 393576), (62, 330096), (69, 296608), (78, 262384), (92, 222456), (93, 220064), (96, 213187), (104, 196788), (124, 165048), (138, 148304), (156, 131192), (184, 111228), (186, 110032), (208, 98394), (248, 82524), (276, 74152), (299, 68448), (312, 65596), (368, 55614), (372, 55016), (403, 50784), (416, 49197), (496, 41262), (529, 38688), (552, 37076), (598, 34224), (624, 32798), (713, 28704), (736, 27807), (744, 27508), (806, 25392), (897, 22816), (992, 20631), (1058, 19344), (1104, 18538), (1196, 17112), (1209, 16928), (1248, 16399), (1426, 14352), (1488, 13754), (1587, 12896), (1612, 12696), (1794, 11408), (2116, 9672), (2139, 9568), (2208, 9269), (2392, 8556), (2418, 8464), (2852, 7176), (2976, 6877), (3174, 6448), (3224, 6348), (3588, 5704), (4232, 4836), (4278, 4784)]