20715264

素因数分解:

$2^8\times 3^7\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 144

約数和(自身を含む): 63691040

約数和(自身を除く): 42975776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 108, 111, 128, 144, 148, 162, 192, 216, 222, 243, 256, 288, 296, 324, 333, 384, 432, 444, 486, 576, 592, 648, 666, 729, 768, 864, 888, 972, 999, 1152, 1184, 1296, 1332, 1458, 1728, 1776, 1944, 1998, 2187, 2304, 2368, 2592, 2664, 2916, 2997, 3456, 3552, 3888, 3996, 4374, 4736, 5184, 5328, 5832, 5994, 6912, 7104, 7776, 7992, 8748, 8991, 9472, 10368, 10656, 11664, 11988, 14208, 15552, 15984, 17496, 17982, 20736, 21312, 23328, 23976, 26973, 28416, 31104, 31968, 34992, 35964, 42624, 46656, 47952, 53946, 62208, 63936, 69984, 71928, 80919, 85248, 93312, 95904, 107892, 127872, 139968, 143856, 161838, 186624, 191808, 215784, 255744, 279936, 287712, 323676, 383616, 431568, 559872, 575424, 647352, 767232, 863136, 1150848, 1294704, 1726272, 2301696, 2589408, 3452544, 5178816, 6905088, 10357632, 20715264]

約数ペア:

[(1, 20715264), (2, 10357632), (3, 6905088), (4, 5178816), (6, 3452544), (8, 2589408), (9, 2301696), (12, 1726272), (16, 1294704), (18, 1150848), (24, 863136), (27, 767232), (32, 647352), (36, 575424), (37, 559872), (48, 431568), (54, 383616), (64, 323676), (72, 287712), (74, 279936), (81, 255744), (96, 215784), (108, 191808), (111, 186624), (128, 161838), (144, 143856), (148, 139968), (162, 127872), (192, 107892), (216, 95904), (222, 93312), (243, 85248), (256, 80919), (288, 71928), (296, 69984), (324, 63936), (333, 62208), (384, 53946), (432, 47952), (444, 46656), (486, 42624), (576, 35964), (592, 34992), (648, 31968), (666, 31104), (729, 28416), (768, 26973), (864, 23976), (888, 23328), (972, 21312), (999, 20736), (1152, 17982), (1184, 17496), (1296, 15984), (1332, 15552), (1458, 14208), (1728, 11988), (1776, 11664), (1944, 10656), (1998, 10368), (2187, 9472), (2304, 8991), (2368, 8748), (2592, 7992), (2664, 7776), (2916, 7104), (2997, 6912), (3456, 5994), (3552, 5832), (3888, 5328), (3996, 5184), (4374, 4736)]