20137903775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{148537}}^1$

素因数の和:148604

約数の個数: 48

約数和(自身を含む): 29838313440

約数和(自身を除く): 9700409665

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 145, 187, 275, 319, 425, 493, 725, 935, 1595, 2465, 4675, 5423, 7975, 12325, 27115, 135575, 148537, 742685, 1633907, 2525129, 3713425, 4307573, 8169535, 12625645, 21537865, 27776419, 40847675, 47383303, 63128225, 73228741, 107689325, 138882095, 236916515, 366143705, 694410475, 805516151, 1184582575, 1830718525, 4027580755, 20137903775]

約数ペア:

[(1, 20137903775), (5, 4027580755), (11, 1830718525), (17, 1184582575), (25, 805516151), (29, 694410475), (55, 366143705), (85, 236916515), (145, 138882095), (187, 107689325), (275, 73228741), (319, 63128225), (425, 47383303), (493, 40847675), (725, 27776419), (935, 21537865), (1595, 12625645), (2465, 8169535), (4675, 4307573), (5423, 3713425), (7975, 2525129), (12325, 1633907), (27115, 742685), (135575, 148537)]