20023168518

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{11789}}^1$

素因数の和:12314

約数の個数: 64

約数和(自身を含む): 45228326400

約数和(自身を除く): 25205157882

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 443, 639, 886, 1278, 1329, 1917, 2658, 3834, 3987, 7974, 11789, 11961, 23578, 23922, 31453, 35367, 62906, 70734, 94359, 106101, 188718, 212202, 283077, 318303, 566154, 636606, 837019, 849231, 1674038, 1698462, 2511057, 5022114, 5222527, 7533171, 10445054, 15066342, 15667581, 22599513, 31335162, 45199026, 47002743, 94005486, 141008229, 282016458, 370799417, 741598834, 1112398251, 2224796502, 3337194753, 6674389506, 10011584259, 20023168518]

約数ペア:

[(1, 20023168518), (2, 10011584259), (3, 6674389506), (6, 3337194753), (9, 2224796502), (18, 1112398251), (27, 741598834), (54, 370799417), (71, 282016458), (142, 141008229), (213, 94005486), (426, 47002743), (443, 45199026), (639, 31335162), (886, 22599513), (1278, 15667581), (1329, 15066342), (1917, 10445054), (2658, 7533171), (3834, 5222527), (3987, 5022114), (7974, 2511057), (11789, 1698462), (11961, 1674038), (23578, 849231), (23922, 837019), (31453, 636606), (35367, 566154), (62906, 318303), (70734, 283077), (94359, 212202), (106101, 188718)]