20603538

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 28229742

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 53, 54, 69, 106, 138, 159, 207, 313, 318, 414, 477, 621, 626, 939, 954, 1219, 1242, 1431, 1878, 2438, 2817, 2862, 3657, 5634, 7199, 7314, 8451, 10971, 14398, 16589, 16902, 21597, 21942, 32913, 33178, 43194, 49767, 64791, 65826, 99534, 129582, 149301, 194373, 298602, 381547, 388746, 447903, 763094, 895806, 1144641, 2289282, 3433923, 6867846, 10301769, 20603538]

約数ペア:

[(1, 20603538), (2, 10301769), (3, 6867846), (6, 3433923), (9, 2289282), (18, 1144641), (23, 895806), (27, 763094), (46, 447903), (53, 388746), (54, 381547), (69, 298602), (106, 194373), (138, 149301), (159, 129582), (207, 99534), (313, 65826), (318, 64791), (414, 49767), (477, 43194), (621, 33178), (626, 32913), (939, 21942), (954, 21597), (1219, 16902), (1242, 16589), (1431, 14398), (1878, 10971), (2438, 8451), (2817, 7314), (2862, 7199), (3657, 5634)]