20348847148

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1\times {\mathrm{12391}}^1$

素因数の和:13150

約数の個数: 48

約数和(自身を含む): 41220748800

約数和(自身を除く): 20871901652

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 659, 1246, 1318, 2492, 2636, 4613, 9226, 12391, 18452, 24782, 49564, 58651, 86737, 117302, 173474, 234604, 346948, 410557, 821114, 1102799, 1642228, 2205598, 4411196, 7719593, 8165669, 15439186, 16331338, 30878372, 32662676, 57159683, 114319366, 228638732, 726744541, 1453489082, 2906978164, 5087211787, 10174423574, 20348847148]

約数ペア:

[(1, 20348847148), (2, 10174423574), (4, 5087211787), (7, 2906978164), (14, 1453489082), (28, 726744541), (89, 228638732), (178, 114319366), (356, 57159683), (623, 32662676), (659, 30878372), (1246, 16331338), (1318, 15439186), (2492, 8165669), (2636, 7719593), (4613, 4411196), (9226, 2205598), (12391, 1642228), (18452, 1102799), (24782, 821114), (49564, 410557), (58651, 346948), (86737, 234604), (117302, 173474)]