20129220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111829}}^1$

素因数の和:111844

約数の個数: 36

約数和(自身を含む): 61059180

約数和(自身を除く): 40929960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111829, 223658, 335487, 447316, 559145, 670974, 1006461, 1118290, 1341948, 1677435, 2012922, 2236580, 3354870, 4025844, 5032305, 6709740, 10064610, 20129220]

約数ペア:

[(1, 20129220), (2, 10064610), (3, 6709740), (4, 5032305), (5, 4025844), (6, 3354870), (9, 2236580), (10, 2012922), (12, 1677435), (15, 1341948), (18, 1118290), (20, 1006461), (30, 670974), (36, 559145), (45, 447316), (60, 335487), (90, 223658), (180, 111829)]