20466820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3052

約数の個数: 48

約数和(自身を含む): 48416256

約数和(自身を除く): 27949436

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, 3001, 3410, 6002, 6820, 12004, 15005, 30010, 33011, 60020, 66022, 93031, 132044, 165055, 186062, 330110, 372124, 465155, 660220, 930310, 1023341, 1860620, 2046682, 4093364, 5116705, 10233410, 20466820]

約数ペア:

[(1, 20466820), (2, 10233410), (4, 5116705), (5, 4093364), (10, 2046682), (11, 1860620), (20, 1023341), (22, 930310), (31, 660220), (44, 465155), (55, 372124), (62, 330110), (110, 186062), (124, 165055), (155, 132044), (220, 93031), (310, 66022), (341, 60020), (620, 33011), (682, 30010), (1364, 15005), (1705, 12004), (3001, 6820), (3410, 6002)]