20698832

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 51103872

約数和(自身を除く): 30405040

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 53, 56, 77, 88, 106, 112, 154, 176, 212, 308, 317, 371, 424, 583, 616, 634, 742, 848, 1166, 1232, 1268, 1484, 2219, 2332, 2536, 2968, 3487, 4081, 4438, 4664, 5072, 5936, 6974, 8162, 8876, 9328, 13948, 16324, 16801, 17752, 24409, 27896, 32648, 33602, 35504, 48818, 55792, 65296, 67204, 97636, 117607, 134408, 184811, 195272, 235214, 268816, 369622, 390544, 470428, 739244, 940856, 1293677, 1478488, 1881712, 2587354, 2956976, 5174708, 10349416, 20698832]

約数ペア:

[(1, 20698832), (2, 10349416), (4, 5174708), (7, 2956976), (8, 2587354), (11, 1881712), (14, 1478488), (16, 1293677), (22, 940856), (28, 739244), (44, 470428), (53, 390544), (56, 369622), (77, 268816), (88, 235214), (106, 195272), (112, 184811), (154, 134408), (176, 117607), (212, 97636), (308, 67204), (317, 65296), (371, 55792), (424, 48818), (583, 35504), (616, 33602), (634, 32648), (742, 27896), (848, 24409), (1166, 17752), (1232, 16801), (1268, 16324), (1484, 13948), (2219, 9328), (2332, 8876), (2536, 8162), (2968, 6974), (3487, 5936), (4081, 5072), (4438, 4664)]