20511690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 33070134

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 37, 51, 74, 85, 102, 111, 170, 185, 222, 255, 370, 510, 555, 629, 1087, 1110, 1258, 1887, 2174, 3145, 3261, 3774, 5435, 6290, 6522, 9435, 10870, 16305, 18479, 18870, 32610, 36958, 40219, 55437, 80438, 92395, 110874, 120657, 184790, 201095, 241314, 277185, 402190, 554370, 603285, 683723, 1206570, 1367446, 2051169, 3418615, 4102338, 6837230, 10255845, 20511690]

約数ペア:

[(1, 20511690), (2, 10255845), (3, 6837230), (5, 4102338), (6, 3418615), (10, 2051169), (15, 1367446), (17, 1206570), (30, 683723), (34, 603285), (37, 554370), (51, 402190), (74, 277185), (85, 241314), (102, 201095), (111, 184790), (170, 120657), (185, 110874), (222, 92395), (255, 80438), (370, 55437), (510, 40219), (555, 36958), (629, 32610), (1087, 18870), (1110, 18479), (1258, 16305), (1887, 10870), (2174, 9435), (3145, 6522), (3261, 6290), (3774, 5435)]