20187714105

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{6917}}^1$

素因数の和:8607

約数の個数: 64

約数和(自身を含む): 38678814720

約数和(自身を除く): 18491100615

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1663, 1755, 4989, 6917, 8315, 14967, 20751, 21619, 24945, 34585, 44901, 62253, 64857, 74835, 89921, 103755, 108095, 186759, 194571, 224505, 269763, 311265, 324285, 449605, 583713, 809289, 933795, 972855, 1348815, 2427867, 2918565, 4046445, 11502971, 12139335, 34508913, 57514855, 103526739, 149538623, 172544565, 310580217, 448615869, 517633695, 747693115, 1345847607, 1552901085, 2243079345, 4037542821, 6729238035, 20187714105]

約数ペア:

[(1, 20187714105), (3, 6729238035), (5, 4037542821), (9, 2243079345), (13, 1552901085), (15, 1345847607), (27, 747693115), (39, 517633695), (45, 448615869), (65, 310580217), (117, 172544565), (135, 149538623), (195, 103526739), (351, 57514855), (585, 34508913), (1663, 12139335), (1755, 11502971), (4989, 4046445), (6917, 2918565), (8315, 2427867), (14967, 1348815), (20751, 972855), (21619, 933795), (24945, 809289), (34585, 583713), (44901, 449605), (62253, 324285), (64857, 311265), (74835, 269763), (89921, 224505), (103755, 194571), (108095, 186759)]