20151684.000000000

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 120

約数和(自身を含む): 452069280

約数和(自身を除く): 297722448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 59, 72, 74, 111, 118, 144, 148, 177, 222, 236, 296, 333, 354, 444, 472, 491, 531, 592, 666, 708, 888, 944, 982, 1062, 1332, 1416, 1473, 1776, 1964, 2124, 2183, 2664, 2832, 2946, 3928, 4248, 4366, 4419, 5328, 5892, 6549, 7856, 8496, 8732, 8838, 11784, 13098, 17464, 17676, 18167, 19647, 23568, 26196, 28969, 34928, 35352, 36334, 39294, 52392, 54501, 57938, 70704, 72668, 78588, 86907, 104784, 109002, 115876, 145336, 157176, 163503, 173814, 218004, 231752, 260721, 290672, 314352, 327006, 347628, 436008, 463504, 521442, 654012, 695256, 872016, 1042884, 1071853, 1308024, 1390512, 2085768, 2143706, 2616048, 3215559, 4171536, 4287412, 6431118, 8574824, 9646677, 12862236, 17149648, 19293354, 25724472, 38586708, 51448944, 77173416, 154346832]

約数ペア:

[(1, 154346832), (2, 77173416), (3, 51448944), (4, 38586708), (6, 25724472), (8, 19293354), (9, 17149648), (12, 12862236), (16, 9646677), (18, 8574824), (24, 6431118), (36, 4287412), (37, 4171536), (48, 3215559), (59, 2616048), (72, 2143706), (74, 2085768), (111, 1390512), (118, 1308024), (144, 1071853), (148, 1042884), (177, 872016), (222, 695256), (236, 654012), (296, 521442), (333, 463504), (354, 436008), (444, 347628), (472, 327006), (491, 314352), (531, 290672), (592, 260721), (666, 231752), (708, 218004), (888, 173814), (944, 163503), (982, 157176), (1062, 145336), (1332, 115876), (1416, 109002), (1473, 104784), (1776, 86907), (1964, 78588), (2124, 72668), (2183, 70704), (2664, 57938), (2832, 54501), (2946, 52392), (3928, 39294), (4248, 36334), (4366, 35352), (4419, 34928), (5328, 28969), (5892, 26196), (6549, 23568), (7856, 19647), (8496, 18167), (8732, 17676), (8838, 17464), (11784, 13098)]