20238179920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{8287}}^1$

素因数の和:8410

約数の個数: 160

約数和(自身を含む): 55496448000

約数和(自身を除く): 35258268080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 343, 356, 392, 445, 490, 560, 623, 686, 712, 784, 890, 980, 1246, 1372, 1424, 1715, 1780, 1960, 2492, 2744, 3115, 3430, 3560, 3920, 4361, 4984, 5488, 6230, 6860, 7120, 8287, 8722, 9968, 12460, 13720, 16574, 17444, 21805, 24920, 27440, 30527, 33148, 34888, 41435, 43610, 49840, 58009, 61054, 66296, 69776, 82870, 87220, 116018, 122108, 132592, 152635, 165740, 174440, 232036, 244216, 290045, 305270, 331480, 348880, 406063, 464072, 488432, 580090, 610540, 662960, 737543, 812126, 928144, 1160180, 1221080, 1475086, 1624252, 2030315, 2320360, 2442160, 2842441, 2950172, 3248504, 3687715, 4060630, 4640720, 5162801, 5684882, 5900344, 6497008, 7375430, 8121260, 10325602, 11369764, 11800688, 14212205, 14750860, 16242520, 20651204, 22739528, 25814005, 28424410, 29501720, 32485040, 36139607, 41302408, 45479056, 51628010, 56848820, 59003440, 72279214, 82604816, 103256020, 113697640, 144558428, 180698035, 206512040, 227395280, 252977249, 289116856, 361396070, 413024080, 505954498, 578233712, 722792140, 1011908996, 1264886245, 1445584280, 2023817992, 2529772490, 2891168560, 4047635984, 5059544980, 10119089960, 20238179920]

約数ペア:

[(1, 20238179920), (2, 10119089960), (4, 5059544980), (5, 4047635984), (7, 2891168560), (8, 2529772490), (10, 2023817992), (14, 1445584280), (16, 1264886245), (20, 1011908996), (28, 722792140), (35, 578233712), (40, 505954498), (49, 413024080), (56, 361396070), (70, 289116856), (80, 252977249), (89, 227395280), (98, 206512040), (112, 180698035), (140, 144558428), (178, 113697640), (196, 103256020), (245, 82604816), (280, 72279214), (343, 59003440), (356, 56848820), (392, 51628010), (445, 45479056), (490, 41302408), (560, 36139607), (623, 32485040), (686, 29501720), (712, 28424410), (784, 25814005), (890, 22739528), (980, 20651204), (1246, 16242520), (1372, 14750860), (1424, 14212205), (1715, 11800688), (1780, 11369764), (1960, 10325602), (2492, 8121260), (2744, 7375430), (3115, 6497008), (3430, 5900344), (3560, 5684882), (3920, 5162801), (4361, 4640720), (4984, 4060630), (5488, 3687715), (6230, 3248504), (6860, 2950172), (7120, 2842441), (8287, 2442160), (8722, 2320360), (9968, 2030315), (12460, 1624252), (13720, 1475086), (16574, 1221080), (17444, 1160180), (21805, 928144), (24920, 812126), (27440, 737543), (30527, 662960), (33148, 610540), (34888, 580090), (41435, 488432), (43610, 464072), (49840, 406063), (58009, 348880), (61054, 331480), (66296, 305270), (69776, 290045), (82870, 244216), (87220, 232036), (116018, 174440), (122108, 165740), (132592, 152635)]