20176051779

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 32964291360

約数和(自身を除く): 12788239581

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 117, 267, 351, 461, 467, 801, 1053, 1157, 1383, 1401, 2403, 3471, 4149, 4203, 5993, 6071, 7209, 10413, 12447, 12609, 17979, 18213, 31239, 37341, 37827, 41029, 41563, 53937, 54639, 93717, 123087, 124689, 161811, 163917, 215287, 369261, 374067, 485433, 491751, 533377, 540319, 645861, 1107783, 1122201, 1600131, 1620957, 1937583, 2798731, 3323349, 3366603, 4800393, 4862871, 5812749, 8396193, 14401179, 14588613, 17438247, 19160543, 25188579, 43203537, 43765839, 57481629, 75565737, 172444887, 226697211, 249087059, 517334661, 747261177, 1552003983, 2241783531, 6725350593, 20176051779]

約数ペア:

[(1, 20176051779), (3, 6725350593), (9, 2241783531), (13, 1552003983), (27, 747261177), (39, 517334661), (81, 249087059), (89, 226697211), (117, 172444887), (267, 75565737), (351, 57481629), (461, 43765839), (467, 43203537), (801, 25188579), (1053, 19160543), (1157, 17438247), (1383, 14588613), (1401, 14401179), (2403, 8396193), (3471, 5812749), (4149, 4862871), (4203, 4800393), (5993, 3366603), (6071, 3323349), (7209, 2798731), (10413, 1937583), (12447, 1620957), (12609, 1600131), (17979, 1122201), (18213, 1107783), (31239, 645861), (37341, 540319), (37827, 533377), (41029, 491751), (41563, 485433), (53937, 374067), (54639, 369261), (93717, 215287), (123087, 163917), (124689, 161811)]