20161943272

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{71}}^2\times {\mathrm{9433}}^1$

素因数の和:9634

約数の個数: 48

約数和(自身を含む): 39071194020

約数和(自身を除く): 18909250748

約数列:

[1, 2, 4, 8, 53, 71, 106, 142, 212, 284, 424, 568, 3763, 5041, 7526, 9433, 10082, 15052, 18866, 20164, 30104, 37732, 40328, 75464, 267173, 499949, 534346, 669743, 999898, 1068692, 1339486, 1999796, 2137384, 2678972, 3999592, 5357944, 35496379, 47551753, 70992758, 95103506, 141985516, 190207012, 283971032, 380414024, 2520242909, 5040485818, 10080971636, 20161943272]

約数ペア:

[(1, 20161943272), (2, 10080971636), (4, 5040485818), (8, 2520242909), (53, 380414024), (71, 283971032), (106, 190207012), (142, 141985516), (212, 95103506), (284, 70992758), (424, 47551753), (568, 35496379), (3763, 5357944), (5041, 3999592), (7526, 2678972), (9433, 2137384), (10082, 1999796), (15052, 1339486), (18866, 1068692), (20164, 999898), (30104, 669743), (37732, 534346), (40328, 499949), (75464, 267173)]