20804940108

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{33997}}^1$

素因数の和:34287

約数の個数: 72

約数和(自身を含む): 53461175040

約数和(自身を除く): 32656234932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 178, 191, 267, 356, 382, 534, 573, 764, 801, 1068, 1146, 1602, 1719, 2292, 3204, 3438, 6876, 16999, 33997, 33998, 50997, 67994, 67996, 101991, 101994, 135988, 152991, 203982, 203988, 305973, 305982, 407964, 611946, 611964, 1223892, 3025733, 6051466, 6493427, 9077199, 12102932, 12986854, 18154398, 19480281, 25973708, 27231597, 36308796, 38960562, 54463194, 58440843, 77921124, 108926388, 116881686, 233763372, 577915003, 1155830006, 1733745009, 2311660012, 3467490018, 5201235027, 6934980036, 10402470054, 20804940108]

約数ペア:

[(1, 20804940108), (2, 10402470054), (3, 6934980036), (4, 5201235027), (6, 3467490018), (9, 2311660012), (12, 1733745009), (18, 1155830006), (36, 577915003), (89, 233763372), (178, 116881686), (191, 108926388), (267, 77921124), (356, 58440843), (382, 54463194), (534, 38960562), (573, 36308796), (764, 27231597), (801, 25973708), (1068, 19480281), (1146, 18154398), (1602, 12986854), (1719, 12102932), (2292, 9077199), (3204, 6493427), (3438, 6051466), (6876, 3025733), (16999, 1223892), (33997, 611964), (33998, 611946), (50997, 407964), (67994, 305982), (67996, 305973), (101991, 203988), (101994, 203982), (135988, 152991)]