20560751728

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{1367}}^1$

素因数の和:1871

約数の個数: 120

約数和(自身を含む): 46498336416

約数和(自身を除く): 25937584688

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 374, 457, 484, 748, 914, 968, 1367, 1496, 1828, 1936, 2057, 2734, 2992, 3656, 4114, 5027, 5468, 7312, 7769, 8228, 10054, 10936, 15037, 15538, 16456, 20108, 21872, 23239, 30074, 31076, 32912, 40216, 46478, 55297, 60148, 62152, 80432, 85459, 92956, 110594, 120296, 124304, 165407, 170918, 185912, 221188, 240592, 255629, 330814, 341836, 371824, 442376, 511258, 624719, 661628, 683672, 884752, 940049, 1022516, 1249438, 1323256, 1367344, 1880098, 2045032, 2498876, 2646512, 2811919, 3760196, 4090064, 4997752, 5623838, 6871909, 7520392, 9995504, 10620223, 11247676, 13743818, 15040784, 21240446, 22495352, 27487636, 42480892, 44990704, 54975272, 75590999, 84961784, 109950544, 116822453, 151181998, 169923568, 233644906, 302363996, 467289812, 604727992, 934579624, 1209455984, 1285046983, 1869159248, 2570093966, 5140187932, 10280375864, 20560751728]

約数ペア:

[(1, 20560751728), (2, 10280375864), (4, 5140187932), (8, 2570093966), (11, 1869159248), (16, 1285046983), (17, 1209455984), (22, 934579624), (34, 604727992), (44, 467289812), (68, 302363996), (88, 233644906), (121, 169923568), (136, 151181998), (176, 116822453), (187, 109950544), (242, 84961784), (272, 75590999), (374, 54975272), (457, 44990704), (484, 42480892), (748, 27487636), (914, 22495352), (968, 21240446), (1367, 15040784), (1496, 13743818), (1828, 11247676), (1936, 10620223), (2057, 9995504), (2734, 7520392), (2992, 6871909), (3656, 5623838), (4114, 4997752), (5027, 4090064), (5468, 3760196), (7312, 2811919), (7769, 2646512), (8228, 2498876), (10054, 2045032), (10936, 1880098), (15037, 1367344), (15538, 1323256), (16456, 1249438), (20108, 1022516), (21872, 940049), (23239, 884752), (30074, 683672), (31076, 661628), (32912, 624719), (40216, 511258), (46478, 442376), (55297, 371824), (60148, 341836), (62152, 330814), (80432, 255629), (85459, 240592), (92956, 221188), (110594, 185912), (120296, 170918), (124304, 165407)]