20021750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{673}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 45422208

約数和(自身を除く): 25400458

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 673, 850, 875, 1190, 1346, 1750, 2125, 2975, 3365, 4250, 4711, 5950, 6730, 9422, 11441, 14875, 16825, 22882, 23555, 29750, 33650, 47110, 57205, 80087, 84125, 114410, 117775, 160174, 168250, 235550, 286025, 400435, 572050, 588875, 800870, 1177750, 1430125, 2002175, 2860250, 4004350, 10010875, 20021750]

約数ペア:

[(1, 20021750), (2, 10010875), (5, 4004350), (7, 2860250), (10, 2002175), (14, 1430125), (17, 1177750), (25, 800870), (34, 588875), (35, 572050), (50, 400435), (70, 286025), (85, 235550), (119, 168250), (125, 160174), (170, 117775), (175, 114410), (238, 84125), (250, 80087), (350, 57205), (425, 47110), (595, 33650), (673, 29750), (850, 23555), (875, 22882), (1190, 16825), (1346, 14875), (1750, 11441), (2125, 9422), (2975, 6730), (3365, 5950), (4250, 4711)]