20802021480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6420377}}^1$

素因数の和:6420400

約数の個数: 80

約数和(自身を含む): 69917916420

約数和(自身を除く): 49115894940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6420377, 12840754, 19261131, 25681508, 32101885, 38522262, 51363016, 57783393, 64203770, 77044524, 96305655, 115566786, 128407540, 154089048, 173350179, 192611310, 231133572, 256815080, 288916965, 346700358, 385222620, 462267144, 520050537, 577833930, 693400716, 770445240, 866750895, 1040101074, 1155667860, 1386801432, 1733501790, 2080202148, 2311335720, 2600252685, 3467003580, 4160404296, 5200505370, 6934007160, 10401010740, 20802021480]

約数ペア:

[(1, 20802021480), (2, 10401010740), (3, 6934007160), (4, 5200505370), (5, 4160404296), (6, 3467003580), (8, 2600252685), (9, 2311335720), (10, 2080202148), (12, 1733501790), (15, 1386801432), (18, 1155667860), (20, 1040101074), (24, 866750895), (27, 770445240), (30, 693400716), (36, 577833930), (40, 520050537), (45, 462267144), (54, 385222620), (60, 346700358), (72, 288916965), (81, 256815080), (90, 231133572), (108, 192611310), (120, 173350179), (135, 154089048), (162, 128407540), (180, 115566786), (216, 96305655), (270, 77044524), (324, 64203770), (360, 57783393), (405, 51363016), (540, 38522262), (648, 32101885), (810, 25681508), (1080, 19261131), (1620, 12840754), (3240, 6420377)]