20937014

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 17845786

約数列:

[1, 2, 7, 14, 29, 49, 53, 58, 98, 106, 139, 203, 278, 371, 406, 742, 973, 1421, 1537, 1946, 2597, 2842, 3074, 4031, 5194, 6811, 7367, 8062, 10759, 13622, 14734, 21518, 28217, 51569, 56434, 75313, 103138, 150626, 197519, 213643, 360983, 395038, 427286, 721966, 1495501, 2991002, 10468507, 20937014]

約数ペア:

[(1, 20937014), (2, 10468507), (7, 2991002), (14, 1495501), (29, 721966), (49, 427286), (53, 395038), (58, 360983), (98, 213643), (106, 197519), (139, 150626), (203, 103138), (278, 75313), (371, 56434), (406, 51569), (742, 28217), (973, 21518), (1421, 14734), (1537, 13622), (1946, 10759), (2597, 8062), (2842, 7367), (3074, 6811), (4031, 5194)]