20867112

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 68217600

約数和(自身を除く): 47350488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 37, 42, 54, 56, 63, 72, 74, 84, 108, 111, 126, 148, 168, 189, 216, 222, 252, 259, 296, 333, 373, 378, 444, 504, 518, 666, 746, 756, 777, 888, 999, 1036, 1119, 1332, 1492, 1512, 1554, 1998, 2072, 2238, 2331, 2611, 2664, 2984, 3108, 3357, 3996, 4476, 4662, 5222, 6216, 6714, 6993, 7833, 7992, 8952, 9324, 10071, 10444, 13428, 13801, 13986, 15666, 18648, 20142, 20888, 23499, 26856, 27602, 27972, 31332, 40284, 41403, 46998, 55204, 55944, 62664, 70497, 80568, 82806, 93996, 96607, 110408, 124209, 140994, 165612, 187992, 193214, 248418, 281988, 289821, 331224, 372627, 386428, 496836, 563976, 579642, 745254, 772856, 869463, 993672, 1159284, 1490508, 1738926, 2318568, 2608389, 2981016, 3477852, 5216778, 6955704, 10433556, 20867112]

約数ペア:

[(1, 20867112), (2, 10433556), (3, 6955704), (4, 5216778), (6, 3477852), (7, 2981016), (8, 2608389), (9, 2318568), (12, 1738926), (14, 1490508), (18, 1159284), (21, 993672), (24, 869463), (27, 772856), (28, 745254), (36, 579642), (37, 563976), (42, 496836), (54, 386428), (56, 372627), (63, 331224), (72, 289821), (74, 281988), (84, 248418), (108, 193214), (111, 187992), (126, 165612), (148, 140994), (168, 124209), (189, 110408), (216, 96607), (222, 93996), (252, 82806), (259, 80568), (296, 70497), (333, 62664), (373, 55944), (378, 55204), (444, 46998), (504, 41403), (518, 40284), (666, 31332), (746, 27972), (756, 27602), (777, 26856), (888, 23499), (999, 20888), (1036, 20142), (1119, 18648), (1332, 15666), (1492, 13986), (1512, 13801), (1554, 13428), (1998, 10444), (2072, 10071), (2238, 9324), (2331, 8952), (2611, 7992), (2664, 7833), (2984, 6993), (3108, 6714), (3357, 6216), (3996, 5222), (4476, 4662)]