20628036

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4007}}^1$

素因数の和:4041

約数の個数: 72

約数和(自身を含む): 61274304

約数和(自身を除く): 40646268

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, 4007, 5148, 8014, 12021, 16028, 24042, 36063, 44077, 48084, 52091, 72126, 88154, 104182, 132231, 144252, 156273, 176308, 208364, 264462, 312546, 396693, 468819, 528924, 573001, 625092, 793386, 937638, 1146002, 1586772, 1719003, 1875276, 2292004, 3438006, 5157009, 6876012, 10314018, 20628036]

約数ペア:

[(1, 20628036), (2, 10314018), (3, 6876012), (4, 5157009), (6, 3438006), (9, 2292004), (11, 1875276), (12, 1719003), (13, 1586772), (18, 1146002), (22, 937638), (26, 793386), (33, 625092), (36, 573001), (39, 528924), (44, 468819), (52, 396693), (66, 312546), (78, 264462), (99, 208364), (117, 176308), (132, 156273), (143, 144252), (156, 132231), (198, 104182), (234, 88154), (286, 72126), (396, 52091), (429, 48084), (468, 44077), (572, 36063), (858, 24042), (1287, 16028), (1716, 12021), (2574, 8014), (4007, 5148)]