20163345372

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{449}}^1\times {\mathrm{2963}}^1$

素因数の和:3843

約数の個数: 72

約数和(自身を含む): 51220587600

約数和(自身を除く): 31057242228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 449, 842, 898, 1263, 1347, 1684, 1796, 2526, 2694, 2963, 3789, 4041, 5052, 5388, 5926, 7578, 8082, 8889, 11852, 15156, 16164, 17778, 26667, 35556, 53334, 106668, 189029, 378058, 567087, 756116, 1134174, 1247423, 1330387, 1701261, 2268348, 2494846, 2660774, 3402522, 3742269, 3991161, 4989692, 5321548, 6805044, 7484538, 7982322, 11226807, 11973483, 14969076, 15964644, 22453614, 23946966, 44907228, 47893932, 560092927, 1120185854, 1680278781, 2240371708, 3360557562, 5040836343, 6721115124, 10081672686, 20163345372]

約数ペア:

[(1, 20163345372), (2, 10081672686), (3, 6721115124), (4, 5040836343), (6, 3360557562), (9, 2240371708), (12, 1680278781), (18, 1120185854), (36, 560092927), (421, 47893932), (449, 44907228), (842, 23946966), (898, 22453614), (1263, 15964644), (1347, 14969076), (1684, 11973483), (1796, 11226807), (2526, 7982322), (2694, 7484538), (2963, 6805044), (3789, 5321548), (4041, 4989692), (5052, 3991161), (5388, 3742269), (5926, 3402522), (7578, 2660774), (8082, 2494846), (8889, 2268348), (11852, 1701261), (15156, 1330387), (16164, 1247423), (17778, 1134174), (26667, 756116), (35556, 567087), (53334, 378058), (106668, 189029)]