20936412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 60907392

約数和(自身を除く): 39970980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 251, 252, 331, 502, 662, 753, 993, 1004, 1324, 1506, 1757, 1986, 2259, 2317, 2979, 3012, 3514, 3972, 4518, 4634, 5271, 5958, 6951, 7028, 9036, 9268, 10542, 11916, 13902, 15813, 20853, 21084, 27804, 31626, 41706, 63252, 83081, 83412, 166162, 249243, 332324, 498486, 581567, 747729, 996972, 1163134, 1495458, 1744701, 2326268, 2990916, 3489402, 5234103, 6978804, 10468206, 20936412]

約数ペア:

[(1, 20936412), (2, 10468206), (3, 6978804), (4, 5234103), (6, 3489402), (7, 2990916), (9, 2326268), (12, 1744701), (14, 1495458), (18, 1163134), (21, 996972), (28, 747729), (36, 581567), (42, 498486), (63, 332324), (84, 249243), (126, 166162), (251, 83412), (252, 83081), (331, 63252), (502, 41706), (662, 31626), (753, 27804), (993, 21084), (1004, 20853), (1324, 15813), (1506, 13902), (1757, 11916), (1986, 10542), (2259, 9268), (2317, 9036), (2979, 7028), (3012, 6951), (3514, 5958), (3972, 5271), (4518, 4634)]