20375628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 59910144

約数和(自身を除く): 39534516

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 78, 84, 91, 94, 141, 156, 182, 188, 273, 282, 329, 364, 397, 546, 564, 611, 658, 794, 987, 1092, 1191, 1222, 1316, 1588, 1833, 1974, 2382, 2444, 2779, 3666, 3948, 4277, 4764, 5161, 5558, 7332, 8337, 8554, 10322, 11116, 12831, 15483, 16674, 17108, 18659, 20644, 25662, 30966, 33348, 36127, 37318, 51324, 55977, 61932, 72254, 74636, 108381, 111954, 130613, 144508, 216762, 223908, 242567, 261226, 391839, 433524, 485134, 522452, 727701, 783678, 970268, 1455402, 1567356, 1697969, 2910804, 3395938, 5093907, 6791876, 10187814, 20375628]

約数ペア:

[(1, 20375628), (2, 10187814), (3, 6791876), (4, 5093907), (6, 3395938), (7, 2910804), (12, 1697969), (13, 1567356), (14, 1455402), (21, 970268), (26, 783678), (28, 727701), (39, 522452), (42, 485134), (47, 433524), (52, 391839), (78, 261226), (84, 242567), (91, 223908), (94, 216762), (141, 144508), (156, 130613), (182, 111954), (188, 108381), (273, 74636), (282, 72254), (329, 61932), (364, 55977), (397, 51324), (546, 37318), (564, 36127), (611, 33348), (658, 30966), (794, 25662), (987, 20644), (1092, 18659), (1191, 17108), (1222, 16674), (1316, 15483), (1588, 12831), (1833, 11116), (1974, 10322), (2382, 8554), (2444, 8337), (2779, 7332), (3666, 5558), (3948, 5161), (4277, 4764)]