20264748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 59802624

約数和(自身を除く): 39537876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 84, 92, 102, 119, 138, 161, 204, 238, 276, 322, 357, 391, 476, 483, 617, 644, 714, 782, 966, 1173, 1234, 1428, 1564, 1851, 1932, 2346, 2468, 2737, 3702, 4319, 4692, 5474, 7404, 8211, 8638, 10489, 10948, 12957, 14191, 16422, 17276, 20978, 25914, 28382, 31467, 32844, 41956, 42573, 51828, 56764, 62934, 73423, 85146, 99337, 125868, 146846, 170292, 198674, 220269, 241247, 293692, 298011, 397348, 440538, 482494, 596022, 723741, 881076, 964988, 1192044, 1447482, 1688729, 2894964, 3377458, 5066187, 6754916, 10132374, 20264748]

約数ペア:

[(1, 20264748), (2, 10132374), (3, 6754916), (4, 5066187), (6, 3377458), (7, 2894964), (12, 1688729), (14, 1447482), (17, 1192044), (21, 964988), (23, 881076), (28, 723741), (34, 596022), (42, 482494), (46, 440538), (51, 397348), (68, 298011), (69, 293692), (84, 241247), (92, 220269), (102, 198674), (119, 170292), (138, 146846), (161, 125868), (204, 99337), (238, 85146), (276, 73423), (322, 62934), (357, 56764), (391, 51828), (476, 42573), (483, 41956), (617, 32844), (644, 31467), (714, 28382), (782, 25914), (966, 20978), (1173, 17276), (1234, 16422), (1428, 14191), (1564, 12957), (1851, 10948), (1932, 10489), (2346, 8638), (2468, 8211), (2737, 7404), (3702, 5474), (4319, 4692)]