20265200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1747}}^1$

素因数の和:1794

約数の個数: 60

約数和(自身を含む): 50394840

約数和(自身を除く): 30129640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 145, 200, 232, 290, 400, 464, 580, 725, 1160, 1450, 1747, 2320, 2900, 3494, 5800, 6988, 8735, 11600, 13976, 17470, 27952, 34940, 43675, 50663, 69880, 87350, 101326, 139760, 174700, 202652, 253315, 349400, 405304, 506630, 698800, 810608, 1013260, 1266575, 2026520, 2533150, 4053040, 5066300, 10132600, 20265200]

約数ペア:

[(1, 20265200), (2, 10132600), (4, 5066300), (5, 4053040), (8, 2533150), (10, 2026520), (16, 1266575), (20, 1013260), (25, 810608), (29, 698800), (40, 506630), (50, 405304), (58, 349400), (80, 253315), (100, 202652), (116, 174700), (145, 139760), (200, 101326), (232, 87350), (290, 69880), (400, 50663), (464, 43675), (580, 34940), (725, 27952), (1160, 17470), (1450, 13976), (1747, 11600), (2320, 8735), (2900, 6988), (3494, 5800)]