20783790

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{2851}}^1$

素因数の和:2876

約数の個数: 56

約数和(自身を含む): 56110248

約数和(自身を除く): 35326458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 1215, 1458, 2430, 2851, 3645, 5702, 7290, 8553, 14255, 17106, 25659, 28510, 42765, 51318, 76977, 85530, 128295, 153954, 230931, 256590, 384885, 461862, 692793, 769770, 1154655, 1385586, 2078379, 2309310, 3463965, 4156758, 6927930, 10391895, 20783790]

約数ペア:

[(1, 20783790), (2, 10391895), (3, 6927930), (5, 4156758), (6, 3463965), (9, 2309310), (10, 2078379), (15, 1385586), (18, 1154655), (27, 769770), (30, 692793), (45, 461862), (54, 384885), (81, 256590), (90, 230931), (135, 153954), (162, 128295), (243, 85530), (270, 76977), (405, 51318), (486, 42765), (729, 28510), (810, 25659), (1215, 17106), (1458, 14255), (2430, 8553), (2851, 7290), (3645, 5702)]