20564928

素因数分解:

$2^6\times 3^4\times {\mathrm{3967}}^1$

素因数の和:3991

約数の個数: 70

約数和(自身を含む): 60976256

約数和(自身を除く): 40411328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 3967, 5184, 7934, 11901, 15868, 23802, 31736, 35703, 47604, 63472, 71406, 95208, 107109, 126944, 142812, 190416, 214218, 253888, 285624, 321327, 380832, 428436, 571248, 642654, 761664, 856872, 1142496, 1285308, 1713744, 2284992, 2570616, 3427488, 5141232, 6854976, 10282464, 20564928]

約数ペア:

[(1, 20564928), (2, 10282464), (3, 6854976), (4, 5141232), (6, 3427488), (8, 2570616), (9, 2284992), (12, 1713744), (16, 1285308), (18, 1142496), (24, 856872), (27, 761664), (32, 642654), (36, 571248), (48, 428436), (54, 380832), (64, 321327), (72, 285624), (81, 253888), (96, 214218), (108, 190416), (144, 142812), (162, 126944), (192, 107109), (216, 95208), (288, 71406), (324, 63472), (432, 47604), (576, 35703), (648, 31736), (864, 23802), (1296, 15868), (1728, 11901), (2592, 7934), (3967, 5184)]