20541324

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 49230720

約数和(自身を除く): 28689396

約数列:

[1, 2, 3, 4, 6, 12, 73, 131, 146, 179, 219, 262, 292, 358, 393, 438, 524, 537, 716, 786, 876, 1074, 1572, 2148, 9563, 13067, 19126, 23449, 26134, 28689, 38252, 39201, 46898, 52268, 57378, 70347, 78402, 93796, 114756, 140694, 156804, 281388, 1711777, 3423554, 5135331, 6847108, 10270662, 20541324]

約数ペア:

[(1, 20541324), (2, 10270662), (3, 6847108), (4, 5135331), (6, 3423554), (12, 1711777), (73, 281388), (131, 156804), (146, 140694), (179, 114756), (219, 93796), (262, 78402), (292, 70347), (358, 57378), (393, 52268), (438, 46898), (524, 39201), (537, 38252), (716, 28689), (786, 26134), (876, 23449), (1074, 19126), (1572, 13067), (2148, 9563)]