20163090640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1231}}^1\times {\mathrm{2659}}^1$

素因数の和:3921

約数の個数: 160

約数和(自身を含む): 58516254720

約数和(自身を除く): 38353164080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1231, 1232, 1540, 2462, 2659, 3080, 4924, 5318, 6155, 6160, 8617, 9848, 10636, 12310, 13295, 13541, 17234, 18613, 19696, 21272, 24620, 26590, 27082, 29249, 34468, 37226, 42544, 43085, 49240, 53180, 54164, 58498, 67705, 68936, 74452, 86170, 93065, 94787, 98480, 106360, 108328, 116996, 135410, 137872, 146245, 148904, 172340, 186130, 189574, 204743, 212720, 216656, 233992, 270820, 292490, 297808, 344680, 372260, 379148, 409486, 467984, 473935, 541640, 584980, 689360, 744520, 758296, 818972, 947870, 1023715, 1083280, 1169960, 1489040, 1516592, 1637944, 1895740, 2047430, 2339920, 3273229, 3275888, 3791480, 4094860, 6546458, 7582960, 8189720, 13092916, 16366145, 16379440, 22912603, 26185832, 32732290, 36005519, 45825206, 52371664, 65464580, 72011038, 91650412, 114563015, 130929160, 144022076, 180027595, 183300824, 229126030, 252038633, 261858320, 288044152, 360055190, 366601648, 458252060, 504077266, 576088304, 720110380, 916504120, 1008154532, 1260193165, 1440220760, 1833008240, 2016309064, 2520386330, 2880441520, 4032618128, 5040772660, 10081545320, 20163090640]

約数ペア:

[(1, 20163090640), (2, 10081545320), (4, 5040772660), (5, 4032618128), (7, 2880441520), (8, 2520386330), (10, 2016309064), (11, 1833008240), (14, 1440220760), (16, 1260193165), (20, 1008154532), (22, 916504120), (28, 720110380), (35, 576088304), (40, 504077266), (44, 458252060), (55, 366601648), (56, 360055190), (70, 288044152), (77, 261858320), (80, 252038633), (88, 229126030), (110, 183300824), (112, 180027595), (140, 144022076), (154, 130929160), (176, 114563015), (220, 91650412), (280, 72011038), (308, 65464580), (385, 52371664), (440, 45825206), (560, 36005519), (616, 32732290), (770, 26185832), (880, 22912603), (1231, 16379440), (1232, 16366145), (1540, 13092916), (2462, 8189720), (2659, 7582960), (3080, 6546458), (4924, 4094860), (5318, 3791480), (6155, 3275888), (6160, 3273229), (8617, 2339920), (9848, 2047430), (10636, 1895740), (12310, 1637944), (13295, 1516592), (13541, 1489040), (17234, 1169960), (18613, 1083280), (19696, 1023715), (21272, 947870), (24620, 818972), (26590, 758296), (27082, 744520), (29249, 689360), (34468, 584980), (37226, 541640), (42544, 473935), (43085, 467984), (49240, 409486), (53180, 379148), (54164, 372260), (58498, 344680), (67705, 297808), (68936, 292490), (74452, 270820), (86170, 233992), (93065, 216656), (94787, 212720), (98480, 204743), (106360, 189574), (108328, 186130), (116996, 172340), (135410, 148904), (137872, 146245)]