20320827228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2551}}^1\times {\mathrm{17021}}^1$

素因数の和:19595

約数の個数: 72

約数和(自身を含む): 55342743456

約数和(自身を除く): 35021916228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 2551, 5102, 7653, 10204, 15306, 17021, 22959, 30612, 33163, 34042, 45918, 51063, 66326, 68084, 91836, 99489, 102126, 132652, 153189, 198978, 204252, 221273, 298467, 306378, 397956, 442546, 596934, 612756, 663819, 885092, 1193868, 1327638, 1991457, 2655276, 3982914, 7965828, 43420571, 86841142, 130261713, 173682284, 260523426, 390785139, 521046852, 564467423, 781570278, 1128934846, 1563140556, 1693402269, 2257869692, 3386804538, 5080206807, 6773609076, 10160413614, 20320827228]

約数ペア:

[(1, 20320827228), (2, 10160413614), (3, 6773609076), (4, 5080206807), (6, 3386804538), (9, 2257869692), (12, 1693402269), (13, 1563140556), (18, 1128934846), (26, 781570278), (36, 564467423), (39, 521046852), (52, 390785139), (78, 260523426), (117, 173682284), (156, 130261713), (234, 86841142), (468, 43420571), (2551, 7965828), (5102, 3982914), (7653, 2655276), (10204, 1991457), (15306, 1327638), (17021, 1193868), (22959, 885092), (30612, 663819), (33163, 612756), (34042, 596934), (45918, 442546), (51063, 397956), (66326, 306378), (68084, 298467), (91836, 221273), (99489, 204252), (102126, 198978), (132652, 153189)]