20734896

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 67995648

約数和(自身を除く): 47260752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 47, 48, 52, 56, 78, 84, 91, 94, 101, 104, 112, 141, 156, 168, 182, 188, 202, 208, 273, 282, 303, 312, 329, 336, 364, 376, 404, 546, 564, 606, 611, 624, 658, 707, 728, 752, 808, 987, 1092, 1128, 1212, 1222, 1313, 1316, 1414, 1456, 1616, 1833, 1974, 2121, 2184, 2256, 2424, 2444, 2626, 2632, 2828, 3666, 3939, 3948, 4242, 4277, 4368, 4747, 4848, 4888, 5252, 5264, 5656, 7332, 7878, 7896, 8484, 8554, 9191, 9494, 9776, 10504, 11312, 12831, 14241, 14664, 15756, 15792, 16968, 17108, 18382, 18988, 21008, 25662, 27573, 28482, 29328, 31512, 33229, 33936, 34216, 36764, 37976, 51324, 55146, 56964, 61711, 63024, 66458, 68432, 73528, 75952, 99687, 102648, 110292, 113928, 123422, 132916, 147056, 185133, 199374, 205296, 220584, 227856, 246844, 265832, 370266, 398748, 431977, 441168, 493688, 531664, 740532, 797496, 863954, 987376, 1295931, 1481064, 1594992, 1727908, 2591862, 2962128, 3455816, 5183724, 6911632, 10367448, 20734896]

約数ペア:

[(1, 20734896), (2, 10367448), (3, 6911632), (4, 5183724), (6, 3455816), (7, 2962128), (8, 2591862), (12, 1727908), (13, 1594992), (14, 1481064), (16, 1295931), (21, 987376), (24, 863954), (26, 797496), (28, 740532), (39, 531664), (42, 493688), (47, 441168), (48, 431977), (52, 398748), (56, 370266), (78, 265832), (84, 246844), (91, 227856), (94, 220584), (101, 205296), (104, 199374), (112, 185133), (141, 147056), (156, 132916), (168, 123422), (182, 113928), (188, 110292), (202, 102648), (208, 99687), (273, 75952), (282, 73528), (303, 68432), (312, 66458), (329, 63024), (336, 61711), (364, 56964), (376, 55146), (404, 51324), (546, 37976), (564, 36764), (606, 34216), (611, 33936), (624, 33229), (658, 31512), (707, 29328), (728, 28482), (752, 27573), (808, 25662), (987, 21008), (1092, 18988), (1128, 18382), (1212, 17108), (1222, 16968), (1313, 15792), (1316, 15756), (1414, 14664), (1456, 14241), (1616, 12831), (1833, 11312), (1974, 10504), (2121, 9776), (2184, 9494), (2256, 9191), (2424, 8554), (2444, 8484), (2626, 7896), (2632, 7878), (2828, 7332), (3666, 5656), (3939, 5264), (3948, 5252), (4242, 4888), (4277, 4848), (4368, 4747)]