20366040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 65525760

約数和(自身を除く): 45159720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 157, 184, 188, 230, 235, 276, 282, 314, 345, 376, 460, 470, 471, 552, 564, 628, 690, 705, 785, 920, 940, 942, 1081, 1128, 1256, 1380, 1410, 1570, 1880, 1884, 2162, 2355, 2760, 2820, 3140, 3243, 3611, 3768, 4324, 4710, 5405, 5640, 6280, 6486, 7222, 7379, 8648, 9420, 10810, 10833, 12972, 14444, 14758, 16215, 18055, 18840, 21620, 21666, 22137, 25944, 28888, 29516, 32430, 36110, 36895, 43240, 43332, 44274, 54165, 59032, 64860, 72220, 73790, 86664, 88548, 108330, 110685, 129720, 144440, 147580, 169717, 177096, 216660, 221370, 295160, 339434, 433320, 442740, 509151, 678868, 848585, 885480, 1018302, 1357736, 1697170, 2036604, 2545755, 3394340, 4073208, 5091510, 6788680, 10183020, 20366040]

約数ペア:

[(1, 20366040), (2, 10183020), (3, 6788680), (4, 5091510), (5, 4073208), (6, 3394340), (8, 2545755), (10, 2036604), (12, 1697170), (15, 1357736), (20, 1018302), (23, 885480), (24, 848585), (30, 678868), (40, 509151), (46, 442740), (47, 433320), (60, 339434), (69, 295160), (92, 221370), (94, 216660), (115, 177096), (120, 169717), (138, 147580), (141, 144440), (157, 129720), (184, 110685), (188, 108330), (230, 88548), (235, 86664), (276, 73790), (282, 72220), (314, 64860), (345, 59032), (376, 54165), (460, 44274), (470, 43332), (471, 43240), (552, 36895), (564, 36110), (628, 32430), (690, 29516), (705, 28888), (785, 25944), (920, 22137), (940, 21666), (942, 21620), (1081, 18840), (1128, 18055), (1256, 16215), (1380, 14758), (1410, 14444), (1570, 12972), (1880, 10833), (1884, 10810), (2162, 9420), (2355, 8648), (2760, 7379), (2820, 7222), (3140, 6486), (3243, 6280), (3611, 5640), (3768, 5405), (4324, 4710)]