20185984178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{1721}}^1$

素因数の和:2099

約数の個数: 64

約数和(自身を含む): 34225535232

約数和(自身を除く): 14039551054

約数列:

[1, 2, 17, 23, 34, 46, 53, 106, 283, 391, 566, 782, 901, 1219, 1721, 1802, 2438, 3442, 4811, 6509, 9622, 13018, 14999, 20723, 29257, 29998, 39583, 41446, 58514, 79166, 91213, 110653, 182426, 221306, 254983, 344977, 487043, 509966, 672911, 689954, 974086, 1345822, 1550621, 2097899, 3101242, 4195798, 5864609, 8279731, 11201989, 11729218, 16559462, 22403978, 25813279, 35664283, 51626558, 71328566, 190433813, 380867626, 438825743, 593705417, 877651486, 1187410834, 10092992089, 20185984178]

約数ペア:

[(1, 20185984178), (2, 10092992089), (17, 1187410834), (23, 877651486), (34, 593705417), (46, 438825743), (53, 380867626), (106, 190433813), (283, 71328566), (391, 51626558), (566, 35664283), (782, 25813279), (901, 22403978), (1219, 16559462), (1721, 11729218), (1802, 11201989), (2438, 8279731), (3442, 5864609), (4811, 4195798), (6509, 3101242), (9622, 2097899), (13018, 1550621), (14999, 1345822), (20723, 974086), (29257, 689954), (29998, 672911), (39583, 509966), (41446, 487043), (58514, 344977), (79166, 254983), (91213, 221306), (110653, 182426)]