20685900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 61027344

約数和(自身を除く): 40341444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 150, 159, 212, 265, 300, 318, 530, 636, 795, 1060, 1301, 1325, 1590, 2602, 2650, 3180, 3903, 3975, 5204, 5300, 6505, 7806, 7950, 13010, 15612, 15900, 19515, 26020, 32525, 39030, 65050, 68953, 78060, 97575, 130100, 137906, 195150, 206859, 275812, 344765, 390300, 413718, 689530, 827436, 1034295, 1379060, 1723825, 2068590, 3447650, 4137180, 5171475, 6895300, 10342950, 20685900]

約数ペア:

[(1, 20685900), (2, 10342950), (3, 6895300), (4, 5171475), (5, 4137180), (6, 3447650), (10, 2068590), (12, 1723825), (15, 1379060), (20, 1034295), (25, 827436), (30, 689530), (50, 413718), (53, 390300), (60, 344765), (75, 275812), (100, 206859), (106, 195150), (150, 137906), (159, 130100), (212, 97575), (265, 78060), (300, 68953), (318, 65050), (530, 39030), (636, 32525), (795, 26020), (1060, 19515), (1301, 15900), (1325, 15612), (1590, 13010), (2602, 7950), (2650, 7806), (3180, 6505), (3903, 5300), (3975, 5204)]