20171751040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4502623}}^1$

素因数の和:4502649

約数の個数: 64

約数和(自身を含む): 55112117760

約数和(自身を除く): 34940366720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 4502623, 9005246, 18010492, 22513115, 31518361, 36020984, 45026230, 63036722, 72041968, 90052460, 126073444, 144083936, 157591805, 180104920, 252146888, 288167872, 315183610, 360209840, 504293776, 576335744, 630367220, 720419680, 1008587552, 1260734440, 1440839360, 2017175104, 2521468880, 2881678720, 4034350208, 5042937760, 10085875520, 20171751040]

約数ペア:

[(1, 20171751040), (2, 10085875520), (4, 5042937760), (5, 4034350208), (7, 2881678720), (8, 2521468880), (10, 2017175104), (14, 1440839360), (16, 1260734440), (20, 1008587552), (28, 720419680), (32, 630367220), (35, 576335744), (40, 504293776), (56, 360209840), (64, 315183610), (70, 288167872), (80, 252146888), (112, 180104920), (128, 157591805), (140, 144083936), (160, 126073444), (224, 90052460), (280, 72041968), (320, 63036722), (448, 45026230), (560, 36020984), (640, 31518361), (896, 22513115), (1120, 18010492), (2240, 9005246), (4480, 4502623)]