20050324

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 41731200

約数和(自身を除く): 21680876

約数列:

[1, 2, 4, 7, 14, 28, 53, 59, 106, 118, 212, 229, 236, 371, 413, 458, 742, 826, 916, 1484, 1603, 1652, 3127, 3206, 6254, 6412, 12137, 12508, 13511, 21889, 24274, 27022, 43778, 48548, 54044, 84959, 87556, 94577, 169918, 189154, 339836, 378308, 716083, 1432166, 2864332, 5012581, 10025162, 20050324]

約数ペア:

[(1, 20050324), (2, 10025162), (4, 5012581), (7, 2864332), (14, 1432166), (28, 716083), (53, 378308), (59, 339836), (106, 189154), (118, 169918), (212, 94577), (229, 87556), (236, 84959), (371, 54044), (413, 48548), (458, 43778), (742, 27022), (826, 24274), (916, 21889), (1484, 13511), (1603, 12508), (1652, 12137), (3127, 6412), (3206, 6254)]