20119620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 40199100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 31, 58, 60, 62, 87, 93, 116, 124, 145, 155, 174, 186, 290, 310, 348, 372, 373, 435, 465, 580, 620, 746, 870, 899, 930, 1119, 1492, 1740, 1798, 1860, 1865, 2238, 2697, 3596, 3730, 4476, 4495, 5394, 5595, 7460, 8990, 10788, 10817, 11190, 11563, 13485, 17980, 21634, 22380, 23126, 26970, 32451, 34689, 43268, 46252, 53940, 54085, 57815, 64902, 69378, 108170, 115630, 129804, 138756, 162255, 173445, 216340, 231260, 324510, 335327, 346890, 649020, 670654, 693780, 1005981, 1341308, 1676635, 2011962, 3353270, 4023924, 5029905, 6706540, 10059810, 20119620]

約数ペア:

[(1, 20119620), (2, 10059810), (3, 6706540), (4, 5029905), (5, 4023924), (6, 3353270), (10, 2011962), (12, 1676635), (15, 1341308), (20, 1005981), (29, 693780), (30, 670654), (31, 649020), (58, 346890), (60, 335327), (62, 324510), (87, 231260), (93, 216340), (116, 173445), (124, 162255), (145, 138756), (155, 129804), (174, 115630), (186, 108170), (290, 69378), (310, 64902), (348, 57815), (372, 54085), (373, 53940), (435, 46252), (465, 43268), (580, 34689), (620, 32451), (746, 26970), (870, 23126), (899, 22380), (930, 21634), (1119, 17980), (1492, 13485), (1740, 11563), (1798, 11190), (1860, 10817), (1865, 10788), (2238, 8990), (2697, 7460), (3596, 5595), (3730, 5394), (4476, 4495)]