20679204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 61528320

約数和(自身を除く): 40849116

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 653, 754, 812, 1092, 1131, 1218, 1306, 1508, 1959, 2262, 2436, 2612, 2639, 3918, 4524, 4571, 5278, 7836, 7917, 8489, 9142, 10556, 13713, 15834, 16978, 18284, 18937, 25467, 27426, 31668, 33956, 37874, 50934, 54852, 56811, 59423, 75748, 101868, 113622, 118846, 132559, 178269, 227244, 237692, 246181, 265118, 356538, 397677, 492362, 530236, 713076, 738543, 795354, 984724, 1477086, 1590708, 1723267, 2954172, 3446534, 5169801, 6893068, 10339602, 20679204]

約数ペア:

[(1, 20679204), (2, 10339602), (3, 6893068), (4, 5169801), (6, 3446534), (7, 2954172), (12, 1723267), (13, 1590708), (14, 1477086), (21, 984724), (26, 795354), (28, 738543), (29, 713076), (39, 530236), (42, 492362), (52, 397677), (58, 356538), (78, 265118), (84, 246181), (87, 237692), (91, 227244), (116, 178269), (156, 132559), (174, 118846), (182, 113622), (203, 101868), (273, 75748), (348, 59423), (364, 56811), (377, 54852), (406, 50934), (546, 37874), (609, 33956), (653, 31668), (754, 27426), (812, 25467), (1092, 18937), (1131, 18284), (1218, 16978), (1306, 15834), (1508, 13713), (1959, 10556), (2262, 9142), (2436, 8489), (2612, 7917), (2639, 7836), (3918, 5278), (4524, 4571)]