20913376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 28075424

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 53, 59, 76, 88, 106, 118, 152, 176, 209, 212, 236, 304, 352, 418, 424, 472, 583, 608, 649, 836, 848, 944, 1007, 1121, 1166, 1298, 1672, 1696, 1888, 2014, 2242, 2332, 2596, 3127, 3344, 4028, 4484, 4664, 5192, 6254, 6688, 8056, 8968, 9328, 10384, 11077, 12331, 12508, 16112, 17936, 18656, 20768, 22154, 24662, 25016, 32224, 34397, 35872, 44308, 49324, 50032, 59413, 68794, 88616, 98648, 100064, 118826, 137588, 177232, 197296, 237652, 275176, 354464, 394592, 475304, 550352, 653543, 950608, 1100704, 1307086, 1901216, 2614172, 5228344, 10456688, 20913376]

約数ペア:

[(1, 20913376), (2, 10456688), (4, 5228344), (8, 2614172), (11, 1901216), (16, 1307086), (19, 1100704), (22, 950608), (32, 653543), (38, 550352), (44, 475304), (53, 394592), (59, 354464), (76, 275176), (88, 237652), (106, 197296), (118, 177232), (152, 137588), (176, 118826), (209, 100064), (212, 98648), (236, 88616), (304, 68794), (352, 59413), (418, 50032), (424, 49324), (472, 44308), (583, 35872), (608, 34397), (649, 32224), (836, 25016), (848, 24662), (944, 22154), (1007, 20768), (1121, 18656), (1166, 17936), (1298, 16112), (1672, 12508), (1696, 12331), (1888, 11077), (2014, 10384), (2242, 9328), (2332, 8968), (2596, 8056), (3127, 6688), (3344, 6254), (4028, 5192), (4484, 4664)]