20637112960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{16477}}^1$

素因数の和:16618

約数の個数: 128

約数和(自身を含む): 52439587200

約数和(自身を除く): 31802474240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 103, 128, 152, 160, 190, 206, 304, 320, 380, 412, 515, 608, 640, 760, 824, 1030, 1216, 1520, 1648, 1957, 2060, 2432, 3040, 3296, 3914, 4120, 6080, 6592, 7828, 8240, 9785, 12160, 13184, 15656, 16477, 16480, 19570, 31312, 32954, 32960, 39140, 62624, 65908, 65920, 78280, 82385, 125248, 131816, 156560, 164770, 250496, 263632, 313063, 313120, 329540, 527264, 626126, 626240, 659080, 1054528, 1252252, 1252480, 1318160, 1565315, 1697131, 2109056, 2504504, 2636320, 3130630, 3394262, 5009008, 5272640, 6261260, 6788524, 8485655, 10018016, 10545280, 12522520, 13577048, 16971310, 20036032, 25045040, 27154096, 32245489, 33942620, 40072064, 50090080, 54308192, 64490978, 67885240, 100180160, 108616384, 128981956, 135770480, 161227445, 200360320, 217232768, 257963912, 271540960, 322454890, 515927824, 543081920, 644909780, 1031855648, 1086163840, 1289819560, 2063711296, 2579639120, 4127422592, 5159278240, 10318556480, 20637112960]

約数ペア:

[(1, 20637112960), (2, 10318556480), (4, 5159278240), (5, 4127422592), (8, 2579639120), (10, 2063711296), (16, 1289819560), (19, 1086163840), (20, 1031855648), (32, 644909780), (38, 543081920), (40, 515927824), (64, 322454890), (76, 271540960), (80, 257963912), (95, 217232768), (103, 200360320), (128, 161227445), (152, 135770480), (160, 128981956), (190, 108616384), (206, 100180160), (304, 67885240), (320, 64490978), (380, 54308192), (412, 50090080), (515, 40072064), (608, 33942620), (640, 32245489), (760, 27154096), (824, 25045040), (1030, 20036032), (1216, 16971310), (1520, 13577048), (1648, 12522520), (1957, 10545280), (2060, 10018016), (2432, 8485655), (3040, 6788524), (3296, 6261260), (3914, 5272640), (4120, 5009008), (6080, 3394262), (6592, 3130630), (7828, 2636320), (8240, 2504504), (9785, 2109056), (12160, 1697131), (13184, 1565315), (15656, 1318160), (16477, 1252480), (16480, 1252252), (19570, 1054528), (31312, 659080), (32954, 626240), (32960, 626126), (39140, 527264), (62624, 329540), (65908, 313120), (65920, 313063), (78280, 263632), (82385, 250496), (125248, 164770), (131816, 156560)]