20843544320

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{196193}}^1$

素因数の和:196297

約数の個数: 72

約数和(自身を含む): 50528587536

約数和(自身を除く): 29685043216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1660, 2656, 3320, 5312, 6640, 10624, 13280, 21248, 26560, 53120, 106240, 196193, 392386, 784772, 980965, 1569544, 1961930, 3139088, 3923860, 6278176, 7847720, 12556352, 15695440, 16284019, 25112704, 31390880, 32568038, 50225408, 62781760, 65136076, 81420095, 125563520, 130272152, 162840190, 251127040, 260544304, 325680380, 521088608, 651360760, 1042177216, 1302721520, 2084354432, 2605443040, 4168708864, 5210886080, 10421772160, 20843544320]

約数ペア:

[(1, 20843544320), (2, 10421772160), (4, 5210886080), (5, 4168708864), (8, 2605443040), (10, 2084354432), (16, 1302721520), (20, 1042177216), (32, 651360760), (40, 521088608), (64, 325680380), (80, 260544304), (83, 251127040), (128, 162840190), (160, 130272152), (166, 125563520), (256, 81420095), (320, 65136076), (332, 62781760), (415, 50225408), (640, 32568038), (664, 31390880), (830, 25112704), (1280, 16284019), (1328, 15695440), (1660, 12556352), (2656, 7847720), (3320, 6278176), (5312, 3923860), (6640, 3139088), (10624, 1961930), (13280, 1569544), (21248, 980965), (26560, 784772), (53120, 392386), (106240, 196193)]