20130294740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1\times {\mathrm{613}}^1$

素因数の和:1081

約数の個数: 96

約数和(自身を含む): 43901491200

約数和(自身を除く): 23771196460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 223, 370, 398, 446, 613, 740, 796, 892, 995, 1115, 1226, 1990, 2230, 2452, 3065, 3980, 4460, 6130, 7363, 8251, 12260, 14726, 16502, 22681, 29452, 33004, 36815, 41255, 44377, 45362, 73630, 82510, 88754, 90724, 113405, 121987, 136699, 147260, 165020, 177508, 221885, 226810, 243974, 273398, 443770, 453620, 487948, 546796, 609935, 683495, 887540, 1219870, 1366990, 1641949, 2439740, 2733980, 3283898, 4513519, 5057863, 6567796, 8209745, 9027038, 10115726, 16419490, 18054076, 20231452, 22567595, 25289315, 27203101, 32838980, 45135190, 50578630, 54406202, 90270380, 101157260, 108812404, 136015505, 272031010, 544062020, 1006514737, 2013029474, 4026058948, 5032573685, 10065147370, 20130294740]

約数ペア:

[(1, 20130294740), (2, 10065147370), (4, 5032573685), (5, 4026058948), (10, 2013029474), (20, 1006514737), (37, 544062020), (74, 272031010), (148, 136015505), (185, 108812404), (199, 101157260), (223, 90270380), (370, 54406202), (398, 50578630), (446, 45135190), (613, 32838980), (740, 27203101), (796, 25289315), (892, 22567595), (995, 20231452), (1115, 18054076), (1226, 16419490), (1990, 10115726), (2230, 9027038), (2452, 8209745), (3065, 6567796), (3980, 5057863), (4460, 4513519), (6130, 3283898), (7363, 2733980), (8251, 2439740), (12260, 1641949), (14726, 1366990), (16502, 1219870), (22681, 887540), (29452, 683495), (33004, 609935), (36815, 546796), (41255, 487948), (44377, 453620), (45362, 443770), (73630, 273398), (82510, 243974), (88754, 226810), (90724, 221885), (113405, 177508), (121987, 165020), (136699, 147260)]