20669850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 58121280

約数和(自身を除く): 37451430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 90, 122, 135, 150, 183, 225, 251, 270, 305, 366, 450, 502, 549, 610, 675, 753, 915, 1098, 1255, 1350, 1506, 1525, 1647, 1830, 2259, 2510, 2745, 3050, 3294, 3765, 4518, 4575, 5490, 6275, 6777, 7530, 8235, 9150, 11295, 12550, 13554, 13725, 15311, 16470, 18825, 22590, 27450, 30622, 33885, 37650, 41175, 45933, 56475, 67770, 76555, 82350, 91866, 112950, 137799, 153110, 169425, 229665, 275598, 338850, 382775, 413397, 459330, 688995, 765550, 826794, 1148325, 1377990, 2066985, 2296650, 3444975, 4133970, 6889950, 10334925, 20669850]

約数ペア:

[(1, 20669850), (2, 10334925), (3, 6889950), (5, 4133970), (6, 3444975), (9, 2296650), (10, 2066985), (15, 1377990), (18, 1148325), (25, 826794), (27, 765550), (30, 688995), (45, 459330), (50, 413397), (54, 382775), (61, 338850), (75, 275598), (90, 229665), (122, 169425), (135, 153110), (150, 137799), (183, 112950), (225, 91866), (251, 82350), (270, 76555), (305, 67770), (366, 56475), (450, 45933), (502, 41175), (549, 37650), (610, 33885), (675, 30622), (753, 27450), (915, 22590), (1098, 18825), (1255, 16470), (1350, 15311), (1506, 13725), (1525, 13554), (1647, 12550), (1830, 11295), (2259, 9150), (2510, 8235), (2745, 7530), (3050, 6777), (3294, 6275), (3765, 5490), (4518, 4575)]