20309976

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 58125600

約数和(自身を除く): 37815624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 71, 72, 87, 116, 137, 142, 174, 213, 232, 261, 274, 284, 348, 411, 426, 522, 548, 568, 639, 696, 822, 852, 1044, 1096, 1233, 1278, 1644, 1704, 2059, 2088, 2466, 2556, 3288, 3973, 4118, 4932, 5112, 6177, 7946, 8236, 9727, 9864, 11919, 12354, 15892, 16472, 18531, 19454, 23838, 24708, 29181, 31784, 35757, 37062, 38908, 47676, 49416, 58362, 71514, 74124, 77816, 87543, 95352, 116724, 143028, 148248, 175086, 233448, 282083, 286056, 350172, 564166, 700344, 846249, 1128332, 1692498, 2256664, 2538747, 3384996, 5077494, 6769992, 10154988, 20309976]

約数ペア:

[(1, 20309976), (2, 10154988), (3, 6769992), (4, 5077494), (6, 3384996), (8, 2538747), (9, 2256664), (12, 1692498), (18, 1128332), (24, 846249), (29, 700344), (36, 564166), (58, 350172), (71, 286056), (72, 282083), (87, 233448), (116, 175086), (137, 148248), (142, 143028), (174, 116724), (213, 95352), (232, 87543), (261, 77816), (274, 74124), (284, 71514), (348, 58362), (411, 49416), (426, 47676), (522, 38908), (548, 37062), (568, 35757), (639, 31784), (696, 29181), (822, 24708), (852, 23838), (1044, 19454), (1096, 18531), (1233, 16472), (1278, 15892), (1644, 12354), (1704, 11919), (2059, 9864), (2088, 9727), (2466, 8236), (2556, 7946), (3288, 6177), (3973, 5112), (4118, 4932)]