15208820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 35356608

約数和(自身を除く): 20147788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 947, 1460, 1606, 1894, 3212, 3788, 4015, 4735, 8030, 9470, 10417, 16060, 18940, 20834, 41668, 52085, 69131, 104170, 138262, 208340, 276524, 345655, 691310, 760441, 1382620, 1520882, 3041764, 3802205, 7604410, 15208820]

約数ペア:

[(1, 15208820), (2, 7604410), (4, 3802205), (5, 3041764), (10, 1520882), (11, 1382620), (20, 760441), (22, 691310), (44, 345655), (55, 276524), (73, 208340), (110, 138262), (146, 104170), (220, 69131), (292, 52085), (365, 41668), (730, 20834), (803, 18940), (947, 16060), (1460, 10417), (1606, 9470), (1894, 8030), (3212, 4735), (3788, 4015)]