20224550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 40362000

約数和(自身を除く): 20137450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 349, 475, 610, 698, 950, 1159, 1525, 1745, 2318, 3050, 3490, 5795, 6631, 8725, 11590, 13262, 17450, 21289, 28975, 33155, 42578, 57950, 66310, 106445, 165775, 212890, 331550, 404491, 532225, 808982, 1064450, 2022455, 4044910, 10112275, 20224550]

約数ペア:

[(1, 20224550), (2, 10112275), (5, 4044910), (10, 2022455), (19, 1064450), (25, 808982), (38, 532225), (50, 404491), (61, 331550), (95, 212890), (122, 165775), (190, 106445), (305, 66310), (349, 57950), (475, 42578), (610, 33155), (698, 28975), (950, 21289), (1159, 17450), (1525, 13262), (1745, 11590), (2318, 8725), (3050, 6631), (3490, 5795)]