20998692

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4113

約数の個数: 72

約数和(自身を含む): 62375040

約数和(自身を除く): 41376348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 4079, 5148, 8158, 12237, 16316, 24474, 36711, 44869, 48948, 53027, 73422, 89738, 106054, 134607, 146844, 159081, 179476, 212108, 269214, 318162, 403821, 477243, 538428, 583297, 636324, 807642, 954486, 1166594, 1615284, 1749891, 1908972, 2333188, 3499782, 5249673, 6999564, 10499346, 20998692]

約数ペア:

[(1, 20998692), (2, 10499346), (3, 6999564), (4, 5249673), (6, 3499782), (9, 2333188), (11, 1908972), (12, 1749891), (13, 1615284), (18, 1166594), (22, 954486), (26, 807642), (33, 636324), (36, 583297), (39, 538428), (44, 477243), (52, 403821), (66, 318162), (78, 269214), (99, 212108), (117, 179476), (132, 159081), (143, 146844), (156, 134607), (198, 106054), (234, 89738), (286, 73422), (396, 53027), (429, 48948), (468, 44869), (572, 36711), (858, 24474), (1287, 16316), (1716, 12237), (2574, 8158), (4079, 5148)]