20069712

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 61746048

約数和(自身を除く): 41676336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 71, 72, 78, 104, 117, 142, 144, 151, 156, 208, 213, 234, 284, 302, 312, 426, 453, 468, 568, 604, 624, 639, 852, 906, 923, 936, 1136, 1208, 1278, 1359, 1704, 1812, 1846, 1872, 1963, 2416, 2556, 2718, 2769, 3408, 3624, 3692, 3926, 5112, 5436, 5538, 5889, 7248, 7384, 7852, 8307, 10224, 10721, 10872, 11076, 11778, 14768, 15704, 16614, 17667, 21442, 21744, 22152, 23556, 31408, 32163, 33228, 35334, 42884, 44304, 47112, 64326, 66456, 70668, 85768, 94224, 96489, 128652, 132912, 139373, 141336, 171536, 192978, 257304, 278746, 282672, 385956, 418119, 514608, 557492, 771912, 836238, 1114984, 1254357, 1543824, 1672476, 2229968, 2508714, 3344952, 5017428, 6689904, 10034856, 20069712]

約数ペア:

[(1, 20069712), (2, 10034856), (3, 6689904), (4, 5017428), (6, 3344952), (8, 2508714), (9, 2229968), (12, 1672476), (13, 1543824), (16, 1254357), (18, 1114984), (24, 836238), (26, 771912), (36, 557492), (39, 514608), (48, 418119), (52, 385956), (71, 282672), (72, 278746), (78, 257304), (104, 192978), (117, 171536), (142, 141336), (144, 139373), (151, 132912), (156, 128652), (208, 96489), (213, 94224), (234, 85768), (284, 70668), (302, 66456), (312, 64326), (426, 47112), (453, 44304), (468, 42884), (568, 35334), (604, 33228), (624, 32163), (639, 31408), (852, 23556), (906, 22152), (923, 21744), (936, 21442), (1136, 17667), (1208, 16614), (1278, 15704), (1359, 14768), (1704, 11778), (1812, 11076), (1846, 10872), (1872, 10721), (1963, 10224), (2416, 8307), (2556, 7852), (2718, 7384), (2769, 7248), (3408, 5889), (3624, 5538), (3692, 5436), (3926, 5112)]