20616860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3023}}^1$

素因数の和:3074

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 28154212

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3023, 3410, 6046, 6820, 12092, 15115, 30230, 33253, 60460, 66506, 93713, 133012, 166265, 187426, 332530, 374852, 468565, 665060, 937130, 1030843, 1874260, 2061686, 4123372, 5154215, 10308430, 20616860]

約数ペア:

[(1, 20616860), (2, 10308430), (4, 5154215), (5, 4123372), (10, 2061686), (11, 1874260), (20, 1030843), (22, 937130), (31, 665060), (44, 468565), (55, 374852), (62, 332530), (110, 187426), (124, 166265), (155, 133012), (220, 93713), (310, 66506), (341, 60460), (620, 33253), (682, 30230), (1364, 15115), (1705, 12092), (3023, 6820), (3410, 6046)]