20831256

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 160

約数和(自身を含む): 64817280

約数和(自身を除く): 43986024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 31, 34, 36, 51, 54, 61, 62, 68, 72, 81, 93, 102, 108, 122, 124, 136, 153, 162, 183, 186, 204, 216, 244, 248, 279, 306, 324, 366, 372, 408, 459, 488, 527, 549, 558, 612, 648, 732, 744, 837, 918, 1037, 1054, 1098, 1116, 1224, 1377, 1464, 1581, 1647, 1674, 1836, 1891, 2074, 2108, 2196, 2232, 2511, 2754, 3111, 3162, 3294, 3348, 3672, 3782, 4148, 4216, 4392, 4743, 4941, 5022, 5508, 5673, 6222, 6324, 6588, 6696, 7564, 8296, 9333, 9486, 9882, 10044, 11016, 11346, 12444, 12648, 13176, 14229, 15128, 17019, 18666, 18972, 19764, 20088, 22692, 24888, 27999, 28458, 32147, 34038, 37332, 37944, 39528, 42687, 45384, 51057, 55998, 56916, 64294, 68076, 74664, 83997, 85374, 96441, 102114, 111996, 113832, 128588, 136152, 153171, 167994, 170748, 192882, 204228, 223992, 257176, 289323, 306342, 335988, 341496, 385764, 408456, 578646, 612684, 671976, 771528, 867969, 1157292, 1225368, 1735938, 2314584, 2603907, 3471876, 5207814, 6943752, 10415628, 20831256]

約数ペア:

[(1, 20831256), (2, 10415628), (3, 6943752), (4, 5207814), (6, 3471876), (8, 2603907), (9, 2314584), (12, 1735938), (17, 1225368), (18, 1157292), (24, 867969), (27, 771528), (31, 671976), (34, 612684), (36, 578646), (51, 408456), (54, 385764), (61, 341496), (62, 335988), (68, 306342), (72, 289323), (81, 257176), (93, 223992), (102, 204228), (108, 192882), (122, 170748), (124, 167994), (136, 153171), (153, 136152), (162, 128588), (183, 113832), (186, 111996), (204, 102114), (216, 96441), (244, 85374), (248, 83997), (279, 74664), (306, 68076), (324, 64294), (366, 56916), (372, 55998), (408, 51057), (459, 45384), (488, 42687), (527, 39528), (549, 37944), (558, 37332), (612, 34038), (648, 32147), (732, 28458), (744, 27999), (837, 24888), (918, 22692), (1037, 20088), (1054, 19764), (1098, 18972), (1116, 18666), (1224, 17019), (1377, 15128), (1464, 14229), (1581, 13176), (1647, 12648), (1674, 12444), (1836, 11346), (1891, 11016), (2074, 10044), (2108, 9882), (2196, 9486), (2232, 9333), (2511, 8296), (2754, 7564), (3111, 6696), (3162, 6588), (3294, 6324), (3348, 6222), (3672, 5673), (3782, 5508), (4148, 5022), (4216, 4941), (4392, 4743)]