20999712

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 60177600

約数和(自身を除く): 39177888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 29, 32, 38, 48, 57, 58, 76, 87, 96, 114, 116, 152, 174, 228, 232, 304, 348, 397, 456, 464, 551, 608, 696, 794, 912, 928, 1102, 1191, 1392, 1588, 1653, 1824, 2204, 2382, 2784, 3176, 3306, 4408, 4764, 6352, 6612, 7543, 8816, 9528, 11513, 12704, 13224, 15086, 17632, 19056, 22629, 23026, 26448, 30172, 34539, 38112, 45258, 46052, 52896, 60344, 69078, 90516, 92104, 120688, 138156, 181032, 184208, 218747, 241376, 276312, 362064, 368416, 437494, 552624, 656241, 724128, 874988, 1105248, 1312482, 1749976, 2624964, 3499952, 5249928, 6999904, 10499856, 20999712]

約数ペア:

[(1, 20999712), (2, 10499856), (3, 6999904), (4, 5249928), (6, 3499952), (8, 2624964), (12, 1749976), (16, 1312482), (19, 1105248), (24, 874988), (29, 724128), (32, 656241), (38, 552624), (48, 437494), (57, 368416), (58, 362064), (76, 276312), (87, 241376), (96, 218747), (114, 184208), (116, 181032), (152, 138156), (174, 120688), (228, 92104), (232, 90516), (304, 69078), (348, 60344), (397, 52896), (456, 46052), (464, 45258), (551, 38112), (608, 34539), (696, 30172), (794, 26448), (912, 23026), (928, 22629), (1102, 19056), (1191, 17632), (1392, 15086), (1588, 13224), (1653, 12704), (1824, 11513), (2204, 9528), (2382, 8816), (2784, 7543), (3176, 6612), (3306, 6352), (4408, 4764)]