20743268

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1201

約数の個数: 48

約数和(自身を含む): 45628800

約数和(自身を除く): 24885532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1163, 1274, 1372, 2326, 2548, 4459, 4652, 8141, 8918, 15119, 16282, 17836, 30238, 32564, 56987, 60476, 105833, 113974, 211666, 227948, 398909, 423332, 740831, 797818, 1481662, 1595636, 2963324, 5185817, 10371634, 20743268]

約数ペア:

[(1, 20743268), (2, 10371634), (4, 5185817), (7, 2963324), (13, 1595636), (14, 1481662), (26, 797818), (28, 740831), (49, 423332), (52, 398909), (91, 227948), (98, 211666), (182, 113974), (196, 105833), (343, 60476), (364, 56987), (637, 32564), (686, 30238), (1163, 17836), (1274, 16282), (1372, 15119), (2326, 8918), (2548, 8141), (4459, 4652)]