20977200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{5827}}^1$

素因数の和:5851

約数の個数: 90

約数和(自身を含む): 72809204

約数和(自身を除く): 51832004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 144, 150, 180, 200, 225, 240, 300, 360, 400, 450, 600, 720, 900, 1200, 1800, 3600, 5827, 11654, 17481, 23308, 29135, 34962, 46616, 52443, 58270, 69924, 87405, 93232, 104886, 116540, 139848, 145675, 174810, 209772, 233080, 262215, 279696, 291350, 349620, 419544, 437025, 466160, 524430, 582700, 699240, 839088, 874050, 1048860, 1165400, 1311075, 1398480, 1748100, 2097720, 2330800, 2622150, 3496200, 4195440, 5244300, 6992400, 10488600, 20977200]

約数ペア:

[(1, 20977200), (2, 10488600), (3, 6992400), (4, 5244300), (5, 4195440), (6, 3496200), (8, 2622150), (9, 2330800), (10, 2097720), (12, 1748100), (15, 1398480), (16, 1311075), (18, 1165400), (20, 1048860), (24, 874050), (25, 839088), (30, 699240), (36, 582700), (40, 524430), (45, 466160), (48, 437025), (50, 419544), (60, 349620), (72, 291350), (75, 279696), (80, 262215), (90, 233080), (100, 209772), (120, 174810), (144, 145675), (150, 139848), (180, 116540), (200, 104886), (225, 93232), (240, 87405), (300, 69924), (360, 58270), (400, 52443), (450, 46616), (600, 34962), (720, 29135), (900, 23308), (1200, 17481), (1800, 11654), (3600, 5827)]