20515194

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:329

約数の個数: 80

約数和(自身を含む): 53433600

約数和(自身を除く): 32918406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 79, 81, 126, 158, 162, 189, 229, 237, 378, 458, 474, 553, 567, 687, 711, 1106, 1134, 1374, 1422, 1603, 1659, 2061, 2133, 3206, 3318, 4122, 4266, 4809, 4977, 6183, 6399, 9618, 9954, 12366, 12798, 14427, 14931, 18091, 18549, 28854, 29862, 36182, 37098, 43281, 44793, 54273, 86562, 89586, 108546, 126637, 129843, 162819, 253274, 259686, 325638, 379911, 488457, 759822, 976914, 1139733, 1465371, 2279466, 2930742, 3419199, 6838398, 10257597, 20515194]

約数ペア:

[(1, 20515194), (2, 10257597), (3, 6838398), (6, 3419199), (7, 2930742), (9, 2279466), (14, 1465371), (18, 1139733), (21, 976914), (27, 759822), (42, 488457), (54, 379911), (63, 325638), (79, 259686), (81, 253274), (126, 162819), (158, 129843), (162, 126637), (189, 108546), (229, 89586), (237, 86562), (378, 54273), (458, 44793), (474, 43281), (553, 37098), (567, 36182), (687, 29862), (711, 28854), (1106, 18549), (1134, 18091), (1374, 14931), (1422, 14427), (1603, 12798), (1659, 12366), (2061, 9954), (2133, 9618), (3206, 6399), (3318, 6183), (4122, 4977), (4266, 4809)]