17950020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27197}}^1$

素因数の和:27220

約数の個数: 48

約数和(自身を含む): 54831168

約数和(自身を除く): 36881148

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, 27197, 54394, 81591, 108788, 135985, 163182, 271970, 299167, 326364, 407955, 543940, 598334, 815910, 897501, 1196668, 1495835, 1631820, 1795002, 2991670, 3590004, 4487505, 5983340, 8975010, 17950020]

約数ペア:

[(1, 17950020), (2, 8975010), (3, 5983340), (4, 4487505), (5, 3590004), (6, 2991670), (10, 1795002), (11, 1631820), (12, 1495835), (15, 1196668), (20, 897501), (22, 815910), (30, 598334), (33, 543940), (44, 407955), (55, 326364), (60, 299167), (66, 271970), (110, 163182), (132, 135985), (165, 108788), (220, 81591), (330, 54394), (660, 27197)]