20688048

素因数分解:

$2^4\times 3^5\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 63777168

約数和(自身を除く): 43089120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 243, 272, 306, 313, 324, 408, 432, 459, 486, 612, 626, 648, 816, 918, 939, 972, 1224, 1252, 1296, 1377, 1836, 1878, 1944, 2448, 2504, 2754, 2817, 3672, 3756, 3888, 4131, 5008, 5321, 5508, 5634, 7344, 7512, 8262, 8451, 10642, 11016, 11268, 15024, 15963, 16524, 16902, 21284, 22032, 22536, 25353, 31926, 33048, 33804, 42568, 45072, 47889, 50706, 63852, 66096, 67608, 76059, 85136, 95778, 101412, 127704, 135216, 143667, 152118, 191556, 202824, 255408, 287334, 304236, 383112, 405648, 431001, 574668, 608472, 766224, 862002, 1149336, 1216944, 1293003, 1724004, 2298672, 2586006, 3448008, 5172012, 6896016, 10344024, 20688048]

約数ペア:

[(1, 20688048), (2, 10344024), (3, 6896016), (4, 5172012), (6, 3448008), (8, 2586006), (9, 2298672), (12, 1724004), (16, 1293003), (17, 1216944), (18, 1149336), (24, 862002), (27, 766224), (34, 608472), (36, 574668), (48, 431001), (51, 405648), (54, 383112), (68, 304236), (72, 287334), (81, 255408), (102, 202824), (108, 191556), (136, 152118), (144, 143667), (153, 135216), (162, 127704), (204, 101412), (216, 95778), (243, 85136), (272, 76059), (306, 67608), (313, 66096), (324, 63852), (408, 50706), (432, 47889), (459, 45072), (486, 42568), (612, 33804), (626, 33048), (648, 31926), (816, 25353), (918, 22536), (939, 22032), (972, 21284), (1224, 16902), (1252, 16524), (1296, 15963), (1377, 15024), (1836, 11268), (1878, 11016), (1944, 10642), (2448, 8451), (2504, 8262), (2754, 7512), (2817, 7344), (3672, 5634), (3756, 5508), (3888, 5321), (4131, 5008)]