20761488

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 160

約数和(自身を含む): 69102720

約数和(自身を除く): 48341232

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 27, 33, 34, 36, 44, 48, 51, 54, 66, 68, 72, 88, 99, 102, 108, 132, 136, 144, 153, 176, 187, 198, 204, 216, 257, 264, 272, 297, 306, 374, 396, 408, 432, 459, 514, 528, 561, 594, 612, 748, 771, 792, 816, 918, 1028, 1122, 1188, 1224, 1496, 1542, 1584, 1683, 1836, 2056, 2244, 2313, 2376, 2448, 2827, 2992, 3084, 3366, 3672, 4112, 4369, 4488, 4626, 4752, 5049, 5654, 6168, 6732, 6939, 7344, 8481, 8738, 8976, 9252, 10098, 11308, 12336, 13107, 13464, 13878, 16962, 17476, 18504, 20196, 22616, 25443, 26214, 26928, 27756, 33924, 34952, 37008, 39321, 40392, 45232, 48059, 50886, 52428, 55512, 67848, 69904, 76329, 78642, 80784, 96118, 101772, 104856, 111024, 117963, 135696, 144177, 152658, 157284, 192236, 203544, 209712, 235926, 288354, 305316, 314568, 384472, 407088, 432531, 471852, 576708, 610632, 629136, 768944, 865062, 943704, 1153416, 1221264, 1297593, 1730124, 1887408, 2306832, 2595186, 3460248, 5190372, 6920496, 10380744, 20761488]

約数ペア:

[(1, 20761488), (2, 10380744), (3, 6920496), (4, 5190372), (6, 3460248), (8, 2595186), (9, 2306832), (11, 1887408), (12, 1730124), (16, 1297593), (17, 1221264), (18, 1153416), (22, 943704), (24, 865062), (27, 768944), (33, 629136), (34, 610632), (36, 576708), (44, 471852), (48, 432531), (51, 407088), (54, 384472), (66, 314568), (68, 305316), (72, 288354), (88, 235926), (99, 209712), (102, 203544), (108, 192236), (132, 157284), (136, 152658), (144, 144177), (153, 135696), (176, 117963), (187, 111024), (198, 104856), (204, 101772), (216, 96118), (257, 80784), (264, 78642), (272, 76329), (297, 69904), (306, 67848), (374, 55512), (396, 52428), (408, 50886), (432, 48059), (459, 45232), (514, 40392), (528, 39321), (561, 37008), (594, 34952), (612, 33924), (748, 27756), (771, 26928), (792, 26214), (816, 25443), (918, 22616), (1028, 20196), (1122, 18504), (1188, 17476), (1224, 16962), (1496, 13878), (1542, 13464), (1584, 13107), (1683, 12336), (1836, 11308), (2056, 10098), (2244, 9252), (2313, 8976), (2376, 8738), (2448, 8481), (2827, 7344), (2992, 6939), (3084, 6732), (3366, 6168), (3672, 5654), (4112, 5049), (4369, 4752), (4488, 4626)]