20696277890

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{189509}}^1$

素因数の和:189746

約数の個数: 32

約数和(自身を含む): 38041479360

約数和(自身を除く): 17345201470

約数列:

[1, 2, 5, 10, 67, 134, 163, 326, 335, 670, 815, 1630, 10921, 21842, 54605, 109210, 189509, 379018, 947545, 1895090, 12697103, 25394206, 30889967, 61779934, 63485515, 126971030, 154449835, 308899670, 2069627789, 4139255578, 10348138945, 20696277890]

約数ペア:

[(1, 20696277890), (2, 10348138945), (5, 4139255578), (10, 2069627789), (67, 308899670), (134, 154449835), (163, 126971030), (326, 63485515), (335, 61779934), (670, 30889967), (815, 25394206), (1630, 12697103), (10921, 1895090), (21842, 947545), (54605, 379018), (109210, 189509)]