20948200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1187

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 39047960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1151, 1300, 1400, 1820, 2275, 2302, 2600, 3640, 4550, 4604, 5755, 8057, 9100, 9208, 11510, 14963, 16114, 18200, 23020, 28775, 29926, 32228, 40285, 46040, 57550, 59852, 64456, 74815, 80570, 104741, 115100, 119704, 149630, 161140, 201425, 209482, 230200, 299260, 322280, 374075, 402850, 418964, 523705, 598520, 748150, 805700, 837928, 1047410, 1496300, 1611400, 2094820, 2618525, 2992600, 4189640, 5237050, 10474100, 20948200]

約数ペア:

[(1, 20948200), (2, 10474100), (4, 5237050), (5, 4189640), (7, 2992600), (8, 2618525), (10, 2094820), (13, 1611400), (14, 1496300), (20, 1047410), (25, 837928), (26, 805700), (28, 748150), (35, 598520), (40, 523705), (50, 418964), (52, 402850), (56, 374075), (65, 322280), (70, 299260), (91, 230200), (100, 209482), (104, 201425), (130, 161140), (140, 149630), (175, 119704), (182, 115100), (200, 104741), (260, 80570), (280, 74815), (325, 64456), (350, 59852), (364, 57550), (455, 46040), (520, 40285), (650, 32228), (700, 29926), (728, 28775), (910, 23020), (1151, 18200), (1300, 16114), (1400, 14963), (1820, 11510), (2275, 9208), (2302, 9100), (2600, 8057), (3640, 5755), (4550, 4604)]