20552658

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1391

約数の個数: 48

約数和(自身を含む): 48755520

約数和(自身を除く): 28202862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 53, 98, 106, 147, 159, 294, 318, 371, 742, 1113, 1319, 2226, 2597, 2638, 3957, 5194, 7791, 7914, 9233, 15582, 18466, 27699, 55398, 64631, 69907, 129262, 139814, 193893, 209721, 387786, 419442, 489349, 978698, 1468047, 2936094, 3425443, 6850886, 10276329, 20552658]

約数ペア:

[(1, 20552658), (2, 10276329), (3, 6850886), (6, 3425443), (7, 2936094), (14, 1468047), (21, 978698), (42, 489349), (49, 419442), (53, 387786), (98, 209721), (106, 193893), (147, 139814), (159, 129262), (294, 69907), (318, 64631), (371, 55398), (742, 27699), (1113, 18466), (1319, 15582), (2226, 9233), (2597, 7914), (2638, 7791), (3957, 5194)]