20178740092

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1\times {\mathrm{27947}}^1$

素因数の和:28306

約数の個数: 48

約数和(自身を含む): 40905139968

約数和(自身を除く): 20726399876

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 241, 428, 482, 749, 964, 1498, 1687, 2996, 3374, 6748, 25787, 27947, 51574, 55894, 103148, 111788, 180509, 195629, 361018, 391258, 722036, 782516, 2990329, 5980658, 6735227, 11961316, 13470454, 20932303, 26940908, 41864606, 47146589, 83729212, 94293178, 188586356, 720669289, 1441338578, 2882677156, 5044685023, 10089370046, 20178740092]

約数ペア:

[(1, 20178740092), (2, 10089370046), (4, 5044685023), (7, 2882677156), (14, 1441338578), (28, 720669289), (107, 188586356), (214, 94293178), (241, 83729212), (428, 47146589), (482, 41864606), (749, 26940908), (964, 20932303), (1498, 13470454), (1687, 11961316), (2996, 6735227), (3374, 5980658), (6748, 2990329), (25787, 782516), (27947, 722036), (51574, 391258), (55894, 361018), (103148, 195629), (111788, 180509)]