20038668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 52080336

約数和(自身を除く): 32041668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 169, 241, 246, 338, 482, 492, 507, 533, 676, 723, 964, 1014, 1066, 1446, 1599, 2028, 2132, 2892, 3133, 3198, 6266, 6396, 6929, 9399, 9881, 12532, 13858, 18798, 19762, 20787, 27716, 29643, 37596, 39524, 40729, 41574, 59286, 81458, 83148, 118572, 122187, 128453, 162916, 244374, 256906, 385359, 488748, 513812, 770718, 1541436, 1669889, 3339778, 5009667, 6679556, 10019334, 20038668]

約数ペア:

[(1, 20038668), (2, 10019334), (3, 6679556), (4, 5009667), (6, 3339778), (12, 1669889), (13, 1541436), (26, 770718), (39, 513812), (41, 488748), (52, 385359), (78, 256906), (82, 244374), (123, 162916), (156, 128453), (164, 122187), (169, 118572), (241, 83148), (246, 81458), (338, 59286), (482, 41574), (492, 40729), (507, 39524), (533, 37596), (676, 29643), (723, 27716), (964, 20787), (1014, 19762), (1066, 18798), (1446, 13858), (1599, 12532), (2028, 9881), (2132, 9399), (2892, 6929), (3133, 6396), (3198, 6266)]