20461948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 41489280

約数和(自身を除く): 21027332

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 79, 158, 221, 293, 316, 442, 586, 884, 1027, 1172, 1343, 2054, 2686, 3809, 4108, 4981, 5372, 7618, 9962, 15236, 17459, 19924, 23147, 34918, 46294, 64753, 69836, 92588, 129506, 259012, 300911, 393499, 601822, 786998, 1203644, 1573996, 5115487, 10230974, 20461948]

約数ペア:

[(1, 20461948), (2, 10230974), (4, 5115487), (13, 1573996), (17, 1203644), (26, 786998), (34, 601822), (52, 393499), (68, 300911), (79, 259012), (158, 129506), (221, 92588), (293, 69836), (316, 64753), (442, 46294), (586, 34918), (884, 23147), (1027, 19924), (1172, 17459), (1343, 15236), (2054, 9962), (2686, 7618), (3809, 5372), (4108, 4981)]