20536572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 37040388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 67, 82, 84, 89, 123, 134, 164, 178, 201, 246, 267, 268, 287, 356, 402, 469, 492, 534, 574, 623, 804, 861, 938, 1068, 1148, 1246, 1407, 1722, 1869, 1876, 2492, 2747, 2814, 3444, 3649, 3738, 5494, 5628, 5963, 7298, 7476, 8241, 10947, 10988, 11926, 14596, 16482, 17889, 19229, 21894, 23852, 25543, 32964, 35778, 38458, 41741, 43788, 51086, 57687, 71556, 76629, 76916, 83482, 102172, 115374, 125223, 153258, 166964, 230748, 244483, 250446, 306516, 488966, 500892, 733449, 977932, 1466898, 1711381, 2933796, 3422762, 5134143, 6845524, 10268286, 20536572]

約数ペア:

[(1, 20536572), (2, 10268286), (3, 6845524), (4, 5134143), (6, 3422762), (7, 2933796), (12, 1711381), (14, 1466898), (21, 977932), (28, 733449), (41, 500892), (42, 488966), (67, 306516), (82, 250446), (84, 244483), (89, 230748), (123, 166964), (134, 153258), (164, 125223), (178, 115374), (201, 102172), (246, 83482), (267, 76916), (268, 76629), (287, 71556), (356, 57687), (402, 51086), (469, 43788), (492, 41741), (534, 38458), (574, 35778), (623, 32964), (804, 25543), (861, 23852), (938, 21894), (1068, 19229), (1148, 17889), (1246, 16482), (1407, 14596), (1722, 11926), (1869, 10988), (1876, 10947), (2492, 8241), (2747, 7476), (2814, 7298), (3444, 5963), (3649, 5628), (3738, 5494)]