20731656

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^4\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 80

約数和(自身を含む): 57978000

約数和(自身を除く): 37246344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 59, 66, 88, 118, 121, 132, 177, 236, 242, 264, 354, 363, 472, 484, 649, 708, 726, 968, 1298, 1331, 1416, 1452, 1947, 2596, 2662, 2904, 3894, 3993, 5192, 5324, 7139, 7788, 7986, 10648, 14278, 14641, 15576, 15972, 21417, 28556, 29282, 31944, 42834, 43923, 57112, 58564, 78529, 85668, 87846, 117128, 157058, 171336, 175692, 235587, 314116, 351384, 471174, 628232, 863819, 942348, 1727638, 1884696, 2591457, 3455276, 5182914, 6910552, 10365828, 20731656]

約数ペア:

[(1, 20731656), (2, 10365828), (3, 6910552), (4, 5182914), (6, 3455276), (8, 2591457), (11, 1884696), (12, 1727638), (22, 942348), (24, 863819), (33, 628232), (44, 471174), (59, 351384), (66, 314116), (88, 235587), (118, 175692), (121, 171336), (132, 157058), (177, 117128), (236, 87846), (242, 85668), (264, 78529), (354, 58564), (363, 57112), (472, 43923), (484, 42834), (649, 31944), (708, 29282), (726, 28556), (968, 21417), (1298, 15972), (1331, 15576), (1416, 14641), (1452, 14278), (1947, 10648), (2596, 7986), (2662, 7788), (2904, 7139), (3894, 5324), (3993, 5192)]