20123070678872

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8009}}^1\times {\mathrm{954619}}^1$

素因数の和:962688

約数の個数: 64

約数和(自身を含む): 44043875712000

約数和(自身を除く): 23920805033128

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 329, 376, 658, 1316, 2632, 8009, 16018, 32036, 56063, 64072, 112126, 224252, 376423, 448504, 752846, 954619, 1505692, 1909238, 2634961, 3011384, 3818476, 5269922, 6682333, 7636952, 10539844, 13364666, 21079688, 26729332, 44867093, 53458664, 89734186, 179468372, 314069651, 358936744, 628139302, 1256278604, 2512557208, 7645543571, 15291087142, 30582174284, 53518804997, 61164348568, 107037609994, 214075219988, 359340547837, 428150439976, 718681095674, 1437362191348, 2515383834859, 2874724382696, 5030767669718, 10061535339436, 20123070678872]

約数ペア:

[(1, 20123070678872), (2, 10061535339436), (4, 5030767669718), (7, 2874724382696), (8, 2515383834859), (14, 1437362191348), (28, 718681095674), (47, 428150439976), (56, 359340547837), (94, 214075219988), (188, 107037609994), (329, 61164348568), (376, 53518804997), (658, 30582174284), (1316, 15291087142), (2632, 7645543571), (8009, 2512557208), (16018, 1256278604), (32036, 628139302), (56063, 358936744), (64072, 314069651), (112126, 179468372), (224252, 89734186), (376423, 53458664), (448504, 44867093), (752846, 26729332), (954619, 21079688), (1505692, 13364666), (1909238, 10539844), (2634961, 7636952), (3011384, 6682333), (3818476, 5269922)]