20184741760

素因数分解:

$2^7\times 5^1\times {\mathrm{2593}}^1\times {\mathrm{12163}}^1$

素因数の和:14775

約数の個数: 64

約数和(自身を含む): 48276726480

約数和(自身を除く): 28091984720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2593, 5186, 10372, 12163, 12965, 20744, 24326, 25930, 41488, 48652, 51860, 60815, 82976, 97304, 103720, 121630, 165952, 194608, 207440, 243260, 331904, 389216, 414880, 486520, 778432, 829760, 973040, 1556864, 1659520, 1946080, 3892160, 7784320, 31538659, 63077318, 126154636, 157693295, 252309272, 315386590, 504618544, 630773180, 1009237088, 1261546360, 2018474176, 2523092720, 4036948352, 5046185440, 10092370880, 20184741760]

約数ペア:

[(1, 20184741760), (2, 10092370880), (4, 5046185440), (5, 4036948352), (8, 2523092720), (10, 2018474176), (16, 1261546360), (20, 1009237088), (32, 630773180), (40, 504618544), (64, 315386590), (80, 252309272), (128, 157693295), (160, 126154636), (320, 63077318), (640, 31538659), (2593, 7784320), (5186, 3892160), (10372, 1946080), (12163, 1659520), (12965, 1556864), (20744, 973040), (24326, 829760), (25930, 778432), (41488, 486520), (48652, 414880), (51860, 389216), (60815, 331904), (82976, 243260), (97304, 207440), (103720, 194608), (121630, 165952)]