20509848

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 59357760

約数和(自身を除く): 38847912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 81, 93, 108, 124, 162, 186, 216, 248, 279, 324, 372, 558, 648, 744, 837, 1021, 1116, 1674, 2042, 2232, 2511, 3063, 3348, 4084, 5022, 6126, 6696, 8168, 9189, 10044, 12252, 18378, 20088, 24504, 27567, 31651, 36756, 55134, 63302, 73512, 82701, 94953, 110268, 126604, 165402, 189906, 220536, 253208, 284859, 330804, 379812, 569718, 661608, 759624, 854577, 1139436, 1709154, 2278872, 2563731, 3418308, 5127462, 6836616, 10254924, 20509848]

約数ペア:

[(1, 20509848), (2, 10254924), (3, 6836616), (4, 5127462), (6, 3418308), (8, 2563731), (9, 2278872), (12, 1709154), (18, 1139436), (24, 854577), (27, 759624), (31, 661608), (36, 569718), (54, 379812), (62, 330804), (72, 284859), (81, 253208), (93, 220536), (108, 189906), (124, 165402), (162, 126604), (186, 110268), (216, 94953), (248, 82701), (279, 73512), (324, 63302), (372, 55134), (558, 36756), (648, 31651), (744, 27567), (837, 24504), (1021, 20088), (1116, 18378), (1674, 12252), (2042, 10044), (2232, 9189), (2511, 8168), (3063, 6696), (3348, 6126), (4084, 5022)]