20281915728

素因数分解:

$2^4\times 3^3\times {\mathrm{797}}^1\times {\mathrm{58907}}^1$

素因数の和:59721

約数の個数: 80

約数和(自身を含む): 58290644160

約数和(自身を除く): 38008728432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 797, 1594, 2391, 3188, 4782, 6376, 7173, 9564, 12752, 14346, 19128, 21519, 28692, 38256, 43038, 57384, 58907, 86076, 114768, 117814, 172152, 176721, 235628, 344304, 353442, 471256, 530163, 706884, 942512, 1060326, 1413768, 1590489, 2120652, 2827536, 3180978, 4241304, 6361956, 8482608, 12723912, 25447824, 46948879, 93897758, 140846637, 187795516, 281693274, 375591032, 422539911, 563386548, 751182064, 845079822, 1126773096, 1267619733, 1690159644, 2253546192, 2535239466, 3380319288, 5070478932, 6760638576, 10140957864, 20281915728]

約数ペア:

[(1, 20281915728), (2, 10140957864), (3, 6760638576), (4, 5070478932), (6, 3380319288), (8, 2535239466), (9, 2253546192), (12, 1690159644), (16, 1267619733), (18, 1126773096), (24, 845079822), (27, 751182064), (36, 563386548), (48, 422539911), (54, 375591032), (72, 281693274), (108, 187795516), (144, 140846637), (216, 93897758), (432, 46948879), (797, 25447824), (1594, 12723912), (2391, 8482608), (3188, 6361956), (4782, 4241304), (6376, 3180978), (7173, 2827536), (9564, 2120652), (12752, 1590489), (14346, 1413768), (19128, 1060326), (21519, 942512), (28692, 706884), (38256, 530163), (43038, 471256), (57384, 353442), (58907, 344304), (86076, 235628), (114768, 176721), (117814, 172152)]