20605950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1626

約数の個数: 72

約数和(自身を含む): 57306600

約数和(自身を除く): 36700650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 145, 150, 174, 225, 261, 290, 435, 450, 522, 725, 870, 1305, 1450, 1579, 2175, 2610, 3158, 4350, 4737, 6525, 7895, 9474, 13050, 14211, 15790, 23685, 28422, 39475, 45791, 47370, 71055, 78950, 91582, 118425, 137373, 142110, 228955, 236850, 274746, 355275, 412119, 457910, 686865, 710550, 824238, 1144775, 1373730, 2060595, 2289550, 3434325, 4121190, 6868650, 10302975, 20605950]

約数ペア:

[(1, 20605950), (2, 10302975), (3, 6868650), (5, 4121190), (6, 3434325), (9, 2289550), (10, 2060595), (15, 1373730), (18, 1144775), (25, 824238), (29, 710550), (30, 686865), (45, 457910), (50, 412119), (58, 355275), (75, 274746), (87, 236850), (90, 228955), (145, 142110), (150, 137373), (174, 118425), (225, 91582), (261, 78950), (290, 71055), (435, 47370), (450, 45791), (522, 39475), (725, 28422), (870, 23685), (1305, 15790), (1450, 14211), (1579, 13050), (2175, 9474), (2610, 7895), (3158, 6525), (4350, 4737)]