20733408

素因数分解:

$2^5\times 3^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 120

約数和(自身を含む): 64338120

約数和(自身を除く): 43604712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 288, 304, 324, 342, 421, 432, 456, 513, 608, 648, 684, 842, 864, 912, 1026, 1263, 1296, 1368, 1539, 1684, 1824, 2052, 2526, 2592, 2736, 3078, 3368, 3789, 4104, 5052, 5472, 6156, 6736, 7578, 7999, 8208, 10104, 11367, 12312, 13472, 15156, 15998, 16416, 20208, 22734, 23997, 24624, 30312, 31996, 34101, 40416, 45468, 47994, 49248, 60624, 63992, 68202, 71991, 90936, 95988, 121248, 127984, 136404, 143982, 181872, 191976, 215973, 255968, 272808, 287964, 363744, 383952, 431946, 545616, 575928, 647919, 767904, 863892, 1091232, 1151856, 1295838, 1727784, 2303712, 2591676, 3455568, 5183352, 6911136, 10366704, 20733408]

約数ペア:

[(1, 20733408), (2, 10366704), (3, 6911136), (4, 5183352), (6, 3455568), (8, 2591676), (9, 2303712), (12, 1727784), (16, 1295838), (18, 1151856), (19, 1091232), (24, 863892), (27, 767904), (32, 647919), (36, 575928), (38, 545616), (48, 431946), (54, 383952), (57, 363744), (72, 287964), (76, 272808), (81, 255968), (96, 215973), (108, 191976), (114, 181872), (144, 143982), (152, 136404), (162, 127984), (171, 121248), (216, 95988), (228, 90936), (288, 71991), (304, 68202), (324, 63992), (342, 60624), (421, 49248), (432, 47994), (456, 45468), (513, 40416), (608, 34101), (648, 31996), (684, 30312), (842, 24624), (864, 23997), (912, 22734), (1026, 20208), (1263, 16416), (1296, 15998), (1368, 15156), (1539, 13472), (1684, 12312), (1824, 11367), (2052, 10104), (2526, 8208), (2592, 7999), (2736, 7578), (3078, 6736), (3368, 6156), (3789, 5472), (4104, 5052)]