20380451830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5669}}^1\times {\mathrm{11597}}^1$

素因数の和:17304

約数の個数: 32

約数和(自身を含む): 37878140160

約数和(自身を除く): 17497688330

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 5669, 11338, 11597, 23194, 28345, 56690, 57985, 115970, 175739, 351478, 359507, 719014, 878695, 1757390, 1797535, 3595070, 65743393, 131486786, 328716965, 657433930, 2038045183, 4076090366, 10190225915, 20380451830]

約数ペア:

[(1, 20380451830), (2, 10190225915), (5, 4076090366), (10, 2038045183), (31, 657433930), (62, 328716965), (155, 131486786), (310, 65743393), (5669, 3595070), (11338, 1797535), (11597, 1757390), (23194, 878695), (28345, 719014), (56690, 359507), (57985, 351478), (115970, 175739)]