20817369664

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3574411}}^1$

素因数の和:3574443

約数の個数: 56

約数和(自身を含む): 50842436288

約数和(自身を除く): 30025066624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 3574411, 7148822, 14297644, 25020877, 28595288, 46467343, 50041754, 57190576, 92934686, 100083508, 114381152, 185869372, 200167016, 228762304, 325271401, 371738744, 400334032, 650542802, 743477488, 800668064, 1301085604, 1486954976, 1601336128, 2602171208, 2973909952, 5204342416, 10408684832, 20817369664]

約数ペア:

[(1, 20817369664), (2, 10408684832), (4, 5204342416), (7, 2973909952), (8, 2602171208), (13, 1601336128), (14, 1486954976), (16, 1301085604), (26, 800668064), (28, 743477488), (32, 650542802), (52, 400334032), (56, 371738744), (64, 325271401), (91, 228762304), (104, 200167016), (112, 185869372), (182, 114381152), (208, 100083508), (224, 92934686), (364, 57190576), (416, 50041754), (448, 46467343), (728, 28595288), (832, 25020877), (1456, 14297644), (2912, 7148822), (5824, 3574411)]