20394300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:607

約数の個数: 72

約数和(自身を含む): 59520496

約数和(自身を除く): 39126196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 157, 300, 314, 433, 471, 628, 785, 866, 942, 1299, 1570, 1732, 1884, 2165, 2355, 2598, 3140, 3925, 4330, 4710, 5196, 6495, 7850, 8660, 9420, 10825, 11775, 12990, 15700, 21650, 23550, 25980, 32475, 43300, 47100, 64950, 67981, 129900, 135962, 203943, 271924, 339905, 407886, 679810, 815772, 1019715, 1359620, 1699525, 2039430, 3399050, 4078860, 5098575, 6798100, 10197150, 20394300]

約数ペア:

[(1, 20394300), (2, 10197150), (3, 6798100), (4, 5098575), (5, 4078860), (6, 3399050), (10, 2039430), (12, 1699525), (15, 1359620), (20, 1019715), (25, 815772), (30, 679810), (50, 407886), (60, 339905), (75, 271924), (100, 203943), (150, 135962), (157, 129900), (300, 67981), (314, 64950), (433, 47100), (471, 43300), (628, 32475), (785, 25980), (866, 23550), (942, 21650), (1299, 15700), (1570, 12990), (1732, 11775), (1884, 10825), (2165, 9420), (2355, 8660), (2598, 7850), (3140, 6495), (3925, 5196), (4330, 4710)]