20593600

素因数分解:

$2^6\times 5^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:294

約数の個数: 84

約数和(自身を含む): 51747928

約数和(自身を除く): 31154328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 160, 200, 211, 244, 305, 320, 400, 422, 488, 610, 800, 844, 976, 1055, 1220, 1525, 1600, 1688, 1952, 2110, 2440, 3050, 3376, 3904, 4220, 4880, 5275, 6100, 6752, 8440, 9760, 10550, 12200, 12871, 13504, 16880, 19520, 21100, 24400, 25742, 33760, 42200, 48800, 51484, 64355, 67520, 84400, 97600, 102968, 128710, 168800, 205936, 257420, 321775, 337600, 411872, 514840, 643550, 823744, 1029680, 1287100, 2059360, 2574200, 4118720, 5148400, 10296800, 20593600]

約数ペア:

[(1, 20593600), (2, 10296800), (4, 5148400), (5, 4118720), (8, 2574200), (10, 2059360), (16, 1287100), (20, 1029680), (25, 823744), (32, 643550), (40, 514840), (50, 411872), (61, 337600), (64, 321775), (80, 257420), (100, 205936), (122, 168800), (160, 128710), (200, 102968), (211, 97600), (244, 84400), (305, 67520), (320, 64355), (400, 51484), (422, 48800), (488, 42200), (610, 33760), (800, 25742), (844, 24400), (976, 21100), (1055, 19520), (1220, 16880), (1525, 13504), (1600, 12871), (1688, 12200), (1952, 10550), (2110, 9760), (2440, 8440), (3050, 6752), (3376, 6100), (3904, 5275), (4220, 4880)]