20155054710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1351781}}^1$

素因数の和:1351869

約数の個数: 64

約数和(自身を含む): 56061103104

約数和(自身を除く): 35906048394

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 14910, 1351781, 2703562, 4055343, 6758905, 8110686, 9462467, 13517810, 18924934, 20276715, 28387401, 40553430, 47312335, 56774802, 94624670, 95976451, 141937005, 191952902, 283874010, 287929353, 479882255, 575858706, 671835157, 959764510, 1343670314, 1439646765, 2015505471, 2879293530, 3359175785, 4031010942, 6718351570, 10077527355, 20155054710]

約数ペア:

[(1, 20155054710), (2, 10077527355), (3, 6718351570), (5, 4031010942), (6, 3359175785), (7, 2879293530), (10, 2015505471), (14, 1439646765), (15, 1343670314), (21, 959764510), (30, 671835157), (35, 575858706), (42, 479882255), (70, 287929353), (71, 283874010), (105, 191952902), (142, 141937005), (210, 95976451), (213, 94624670), (355, 56774802), (426, 47312335), (497, 40553430), (710, 28387401), (994, 20276715), (1065, 18924934), (1491, 13517810), (2130, 9462467), (2485, 8110686), (2982, 6758905), (4970, 4055343), (7455, 2703562), (14910, 1351781)]