20954574

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 50701248

約数和(自身を除く): 29746674

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 47, 51, 62, 93, 94, 102, 141, 153, 186, 279, 282, 306, 423, 527, 558, 799, 846, 1054, 1457, 1581, 1598, 2209, 2397, 2914, 3162, 4371, 4418, 4743, 4794, 6627, 7191, 8742, 9486, 13113, 13254, 14382, 19881, 24769, 26226, 37553, 39762, 49538, 68479, 74307, 75106, 112659, 136958, 148614, 205437, 222921, 225318, 337977, 410874, 445842, 616311, 675954, 1164143, 1232622, 2328286, 3492429, 6984858, 10477287, 20954574]

約数ペア:

[(1, 20954574), (2, 10477287), (3, 6984858), (6, 3492429), (9, 2328286), (17, 1232622), (18, 1164143), (31, 675954), (34, 616311), (47, 445842), (51, 410874), (62, 337977), (93, 225318), (94, 222921), (102, 205437), (141, 148614), (153, 136958), (186, 112659), (279, 75106), (282, 74307), (306, 68479), (423, 49538), (527, 39762), (558, 37553), (799, 26226), (846, 24769), (1054, 19881), (1457, 14382), (1581, 13254), (1598, 13113), (2209, 9486), (2397, 8742), (2914, 7191), (3162, 6627), (4371, 4794), (4418, 4743)]