20656776

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122957}}^1$

素因数の和:122973

約数の個数: 32

約数和(自身を含む): 59019840

約数和(自身を除く): 38363064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122957, 245914, 368871, 491828, 737742, 860699, 983656, 1475484, 1721398, 2582097, 2950968, 3442796, 5164194, 6885592, 10328388, 20656776]

約数ペア:

[(1, 20656776), (2, 10328388), (3, 6885592), (4, 5164194), (6, 3442796), (7, 2950968), (8, 2582097), (12, 1721398), (14, 1475484), (21, 983656), (24, 860699), (28, 737742), (42, 491828), (56, 368871), (84, 245914), (168, 122957)]