20020236444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{515401}}^1$

素因数の和:515507

約数の個数: 72

約数和(自身を含む): 55156260432

約数和(自身を除く): 35136023988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2158, 2988, 3237, 4316, 6474, 9711, 12948, 19422, 38844, 515401, 1030802, 1546203, 2061604, 3092406, 4638609, 6184812, 6700213, 9277218, 13400426, 18554436, 20100639, 26800852, 40201278, 42778283, 60301917, 80402556, 85556566, 120603834, 128334849, 171113132, 241207668, 256669698, 385004547, 513339396, 556117679, 770009094, 1112235358, 1540018188, 1668353037, 2224470716, 3336706074, 5005059111, 6673412148, 10010118222, 20020236444]

約数ペア:

[(1, 20020236444), (2, 10010118222), (3, 6673412148), (4, 5005059111), (6, 3336706074), (9, 2224470716), (12, 1668353037), (13, 1540018188), (18, 1112235358), (26, 770009094), (36, 556117679), (39, 513339396), (52, 385004547), (78, 256669698), (83, 241207668), (117, 171113132), (156, 128334849), (166, 120603834), (234, 85556566), (249, 80402556), (332, 60301917), (468, 42778283), (498, 40201278), (747, 26800852), (996, 20100639), (1079, 18554436), (1494, 13400426), (2158, 9277218), (2988, 6700213), (3237, 6184812), (4316, 4638609), (6474, 3092406), (9711, 2061604), (12948, 1546203), (19422, 1030802), (38844, 515401)]