20629800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 70678140

約数和(自身を除く): 50048340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 73, 75, 90, 100, 120, 146, 150, 157, 180, 200, 219, 225, 292, 300, 314, 360, 365, 438, 450, 471, 584, 600, 628, 657, 730, 785, 876, 900, 942, 1095, 1256, 1314, 1413, 1460, 1570, 1752, 1800, 1825, 1884, 2190, 2355, 2628, 2826, 2920, 3140, 3285, 3650, 3768, 3925, 4380, 4710, 5256, 5475, 5652, 6280, 6570, 7065, 7300, 7850, 8760, 9420, 10950, 11304, 11461, 11775, 13140, 14130, 14600, 15700, 16425, 18840, 21900, 22922, 23550, 26280, 28260, 31400, 32850, 34383, 35325, 43800, 45844, 47100, 56520, 57305, 65700, 68766, 70650, 91688, 94200, 103149, 114610, 131400, 137532, 141300, 171915, 206298, 229220, 275064, 282600, 286525, 343830, 412596, 458440, 515745, 573050, 687660, 825192, 859575, 1031490, 1146100, 1375320, 1719150, 2062980, 2292200, 2578725, 3438300, 4125960, 5157450, 6876600, 10314900, 20629800]

約数ペア:

[(1, 20629800), (2, 10314900), (3, 6876600), (4, 5157450), (5, 4125960), (6, 3438300), (8, 2578725), (9, 2292200), (10, 2062980), (12, 1719150), (15, 1375320), (18, 1146100), (20, 1031490), (24, 859575), (25, 825192), (30, 687660), (36, 573050), (40, 515745), (45, 458440), (50, 412596), (60, 343830), (72, 286525), (73, 282600), (75, 275064), (90, 229220), (100, 206298), (120, 171915), (146, 141300), (150, 137532), (157, 131400), (180, 114610), (200, 103149), (219, 94200), (225, 91688), (292, 70650), (300, 68766), (314, 65700), (360, 57305), (365, 56520), (438, 47100), (450, 45844), (471, 43800), (584, 35325), (600, 34383), (628, 32850), (657, 31400), (730, 28260), (785, 26280), (876, 23550), (900, 22922), (942, 21900), (1095, 18840), (1256, 16425), (1314, 15700), (1413, 14600), (1460, 14130), (1570, 13140), (1752, 11775), (1800, 11461), (1825, 11304), (1884, 10950), (2190, 9420), (2355, 8760), (2628, 7850), (2826, 7300), (2920, 7065), (3140, 6570), (3285, 6280), (3650, 5652), (3768, 5475), (3925, 5256), (4380, 4710)]