20666112

素因数分解:

$2^8\times 3^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 55923840

約数和(自身を除く): 35257728

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 256, 284, 379, 384, 426, 568, 758, 768, 852, 1136, 1137, 1516, 1704, 2272, 2274, 3032, 3408, 4544, 4548, 6064, 6816, 9088, 9096, 12128, 13632, 18176, 18192, 24256, 26909, 27264, 36384, 48512, 53818, 54528, 72768, 80727, 97024, 107636, 145536, 161454, 215272, 291072, 322908, 430544, 645816, 861088, 1291632, 1722176, 2583264, 3444352, 5166528, 6888704, 10333056, 20666112]

約数ペア:

[(1, 20666112), (2, 10333056), (3, 6888704), (4, 5166528), (6, 3444352), (8, 2583264), (12, 1722176), (16, 1291632), (24, 861088), (32, 645816), (48, 430544), (64, 322908), (71, 291072), (96, 215272), (128, 161454), (142, 145536), (192, 107636), (213, 97024), (256, 80727), (284, 72768), (379, 54528), (384, 53818), (426, 48512), (568, 36384), (758, 27264), (768, 26909), (852, 24256), (1136, 18192), (1137, 18176), (1516, 13632), (1704, 12128), (2272, 9096), (2274, 9088), (3032, 6816), (3408, 6064), (4544, 4548)]