20212596148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1\times {\mathrm{5431}}^1$

素因数の和:5920

約数の個数: 48

約数和(自身を含む): 37780646400

約数和(自身を除く): 17568050252

約数列:

[1, 2, 4, 17, 34, 68, 229, 239, 458, 478, 916, 956, 3893, 4063, 5431, 7786, 8126, 10862, 15572, 16252, 21724, 54731, 92327, 109462, 184654, 218924, 369308, 930427, 1243699, 1298009, 1860854, 2487398, 2596018, 3721708, 4974796, 5192036, 21142883, 22066153, 42285766, 44132306, 84571532, 88264612, 297244061, 594488122, 1188976244, 5053149037, 10106298074, 20212596148]

約数ペア:

[(1, 20212596148), (2, 10106298074), (4, 5053149037), (17, 1188976244), (34, 594488122), (68, 297244061), (229, 88264612), (239, 84571532), (458, 44132306), (478, 42285766), (916, 22066153), (956, 21142883), (3893, 5192036), (4063, 4974796), (5431, 3721708), (7786, 2596018), (8126, 2487398), (10862, 1860854), (15572, 1298009), (16252, 1243699), (21724, 930427), (54731, 369308), (92327, 218924), (109462, 184654)]