20746035

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 38952576

約数和(自身を除く): 18206541

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 577, 705, 765, 799, 1731, 2115, 2397, 2885, 3995, 5193, 7191, 8655, 9809, 11985, 25965, 27119, 29427, 35955, 49045, 81357, 88281, 135595, 147135, 244071, 406785, 441405, 461023, 1220355, 1383069, 2305115, 4149207, 6915345, 20746035]

約数ペア:

[(1, 20746035), (3, 6915345), (5, 4149207), (9, 2305115), (15, 1383069), (17, 1220355), (45, 461023), (47, 441405), (51, 406785), (85, 244071), (141, 147135), (153, 135595), (235, 88281), (255, 81357), (423, 49045), (577, 35955), (705, 29427), (765, 27119), (799, 25965), (1731, 11985), (2115, 9809), (2397, 8655), (2885, 7191), (3995, 5193)]