20346610864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{1553}}^1$

素因数の和:2258

約数の個数: 80

約数和(自身を含む): 42177300480

約数和(自身を除く): 21830689616

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 607, 1136, 1214, 1349, 1553, 2428, 2698, 3106, 4856, 5396, 6212, 9712, 10792, 11533, 12424, 21584, 23066, 24848, 29507, 43097, 46132, 59014, 86194, 92264, 110263, 118028, 172388, 184528, 220526, 236056, 344776, 441052, 472112, 689552, 818843, 882104, 942671, 1637686, 1764208, 1885342, 2094997, 3275372, 3770684, 4189994, 6550744, 7541368, 8379988, 13101488, 15082736, 16759976, 17910749, 33519952, 35821498, 66929641, 71642996, 133859282, 143285992, 267718564, 286571984, 535437128, 1070874256, 1271663179, 2543326358, 5086652716, 10173305432, 20346610864]

約数ペア:

[(1, 20346610864), (2, 10173305432), (4, 5086652716), (8, 2543326358), (16, 1271663179), (19, 1070874256), (38, 535437128), (71, 286571984), (76, 267718564), (142, 143285992), (152, 133859282), (284, 71642996), (304, 66929641), (568, 35821498), (607, 33519952), (1136, 17910749), (1214, 16759976), (1349, 15082736), (1553, 13101488), (2428, 8379988), (2698, 7541368), (3106, 6550744), (4856, 4189994), (5396, 3770684), (6212, 3275372), (9712, 2094997), (10792, 1885342), (11533, 1764208), (12424, 1637686), (21584, 942671), (23066, 882104), (24848, 818843), (29507, 689552), (43097, 472112), (46132, 441052), (59014, 344776), (86194, 236056), (92264, 220526), (110263, 184528), (118028, 172388)]