20726450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 40979520

約数和(自身を除く): 20253070

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 67, 115, 134, 230, 269, 335, 538, 575, 670, 1150, 1345, 1541, 1675, 2690, 3082, 3350, 6187, 6725, 7705, 12374, 13450, 15410, 18023, 30935, 36046, 38525, 61870, 77050, 90115, 154675, 180230, 309350, 414529, 450575, 829058, 901150, 2072645, 4145290, 10363225, 20726450]

約数ペア:

[(1, 20726450), (2, 10363225), (5, 4145290), (10, 2072645), (23, 901150), (25, 829058), (46, 450575), (50, 414529), (67, 309350), (115, 180230), (134, 154675), (230, 90115), (269, 77050), (335, 61870), (538, 38525), (575, 36046), (670, 30935), (1150, 18023), (1345, 15410), (1541, 13450), (1675, 12374), (2690, 7705), (3082, 6725), (3350, 6187)]