20481161520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{253229}}^1$

素因数の和:253582

約数の個数: 80

約数和(自身を含む): 63680254560

約数和(自身を除く): 43199093040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 337, 674, 1011, 1348, 1685, 2022, 2696, 3370, 4044, 5055, 5392, 6740, 8088, 10110, 13480, 16176, 20220, 26960, 40440, 80880, 253229, 506458, 759687, 1012916, 1266145, 1519374, 2025832, 2532290, 3038748, 3798435, 4051664, 5064580, 6077496, 7596870, 10129160, 12154992, 15193740, 20258320, 30387480, 60774960, 85338173, 170676346, 256014519, 341352692, 426690865, 512029038, 682705384, 853381730, 1024058076, 1280072595, 1365410768, 1706763460, 2048116152, 2560145190, 3413526920, 4096232304, 5120290380, 6827053840, 10240580760, 20481161520]

約数ペア:

[(1, 20481161520), (2, 10240580760), (3, 6827053840), (4, 5120290380), (5, 4096232304), (6, 3413526920), (8, 2560145190), (10, 2048116152), (12, 1706763460), (15, 1365410768), (16, 1280072595), (20, 1024058076), (24, 853381730), (30, 682705384), (40, 512029038), (48, 426690865), (60, 341352692), (80, 256014519), (120, 170676346), (240, 85338173), (337, 60774960), (674, 30387480), (1011, 20258320), (1348, 15193740), (1685, 12154992), (2022, 10129160), (2696, 7596870), (3370, 6077496), (4044, 5064580), (5055, 4051664), (5392, 3798435), (6740, 3038748), (8088, 2532290), (10110, 2025832), (13480, 1519374), (16176, 1266145), (20220, 1012916), (26960, 759687), (40440, 506458), (80880, 253229)]