20576820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31177}}^1$

素因数の和:31200

約数の個数: 48

約数和(自身を含む): 62854848

約数和(自身を除く): 42278028

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31177, 62354, 93531, 124708, 155885, 187062, 311770, 342947, 374124, 467655, 623540, 685894, 935310, 1028841, 1371788, 1714735, 1870620, 2057682, 3429470, 4115364, 5144205, 6858940, 10288410, 20576820]

約数ペア:

[(1, 20576820), (2, 10288410), (3, 6858940), (4, 5144205), (5, 4115364), (6, 3429470), (10, 2057682), (11, 1870620), (12, 1714735), (15, 1371788), (20, 1028841), (22, 935310), (30, 685894), (33, 623540), (44, 467655), (55, 374124), (60, 342947), (66, 311770), (110, 187062), (132, 155885), (165, 124708), (220, 93531), (330, 62354), (660, 31177)]