20681430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1314

約数の個数: 96

約数和(自身を含む): 63037440

約数和(自身を除く): 42356010

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 49, 55, 66, 70, 77, 98, 105, 110, 147, 154, 165, 210, 231, 245, 294, 330, 385, 462, 490, 539, 735, 770, 1078, 1155, 1279, 1470, 1617, 2310, 2558, 2695, 3234, 3837, 5390, 6395, 7674, 8085, 8953, 12790, 14069, 16170, 17906, 19185, 26859, 28138, 38370, 42207, 44765, 53718, 62671, 70345, 84414, 89530, 98483, 125342, 134295, 140690, 188013, 196966, 211035, 268590, 295449, 313355, 376026, 422070, 492415, 590898, 626710, 689381, 940065, 984830, 1378762, 1477245, 1880130, 2068143, 2954490, 3446905, 4136286, 6893810, 10340715, 20681430]

約数ペア:

[(1, 20681430), (2, 10340715), (3, 6893810), (5, 4136286), (6, 3446905), (7, 2954490), (10, 2068143), (11, 1880130), (14, 1477245), (15, 1378762), (21, 984830), (22, 940065), (30, 689381), (33, 626710), (35, 590898), (42, 492415), (49, 422070), (55, 376026), (66, 313355), (70, 295449), (77, 268590), (98, 211035), (105, 196966), (110, 188013), (147, 140690), (154, 134295), (165, 125342), (210, 98483), (231, 89530), (245, 84414), (294, 70345), (330, 62671), (385, 53718), (462, 44765), (490, 42207), (539, 38370), (735, 28138), (770, 26859), (1078, 19185), (1155, 17906), (1279, 16170), (1470, 14069), (1617, 12790), (2310, 8953), (2558, 8085), (2695, 7674), (3234, 6395), (3837, 5390)]