20211001760

素因数分解:

$2^5\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{86579}}^1$

素因数の和:88053

約数の個数: 48

約数和(自身を含む): 47781770400

約数和(自身を除く): 27570768640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1459, 2918, 5836, 7295, 11672, 14590, 23344, 29180, 46688, 58360, 86579, 116720, 173158, 233440, 346316, 432895, 692632, 865790, 1385264, 1731580, 2770528, 3463160, 6926320, 13852640, 126318761, 252637522, 505275044, 631593805, 1010550088, 1263187610, 2021100176, 2526375220, 4042200352, 5052750440, 10105500880, 20211001760]

約数ペア:

[(1, 20211001760), (2, 10105500880), (4, 5052750440), (5, 4042200352), (8, 2526375220), (10, 2021100176), (16, 1263187610), (20, 1010550088), (32, 631593805), (40, 505275044), (80, 252637522), (160, 126318761), (1459, 13852640), (2918, 6926320), (5836, 3463160), (7295, 2770528), (11672, 1731580), (14590, 1385264), (23344, 865790), (29180, 692632), (46688, 432895), (58360, 346316), (86579, 233440), (116720, 173158)]