20202050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 42800832

約数和(自身を除く): 22598782

約数列:

[1, 2, 5, 10, 11, 22, 23, 25, 46, 50, 55, 110, 115, 230, 253, 275, 506, 550, 575, 1150, 1265, 1597, 2530, 3194, 6325, 7985, 12650, 15970, 17567, 35134, 36731, 39925, 73462, 79850, 87835, 175670, 183655, 367310, 404041, 439175, 808082, 878350, 918275, 1836550, 2020205, 4040410, 10101025, 20202050]

約数ペア:

[(1, 20202050), (2, 10101025), (5, 4040410), (10, 2020205), (11, 1836550), (22, 918275), (23, 878350), (25, 808082), (46, 439175), (50, 404041), (55, 367310), (110, 183655), (115, 175670), (230, 87835), (253, 79850), (275, 73462), (506, 39925), (550, 36731), (575, 35134), (1150, 17567), (1265, 15970), (1597, 12650), (2530, 7985), (3194, 6325)]