20565118875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{460843}}^1$

素因数の和:460885

約数の個数: 64

約数和(自身を含む): 41409598464

約数和(自身を除く): 20844479589

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 875, 1275, 1785, 2125, 2625, 2975, 6375, 8925, 14875, 44625, 460843, 1382529, 2304215, 3225901, 6912645, 7834331, 9677703, 11521075, 16129505, 23502993, 34563225, 39171655, 48388515, 54840317, 57605375, 80647525, 117514965, 164520951, 172816125, 195858275, 241942575, 274201585, 403237625, 587574825, 822604755, 979291375, 1209712875, 1371007925, 2937874125, 4113023775, 6855039625, 20565118875]

約数ペア:

[(1, 20565118875), (3, 6855039625), (5, 4113023775), (7, 2937874125), (15, 1371007925), (17, 1209712875), (21, 979291375), (25, 822604755), (35, 587574825), (51, 403237625), (75, 274201585), (85, 241942575), (105, 195858275), (119, 172816125), (125, 164520951), (175, 117514965), (255, 80647525), (357, 57605375), (375, 54840317), (425, 48388515), (525, 39171655), (595, 34563225), (875, 23502993), (1275, 16129505), (1785, 11521075), (2125, 9677703), (2625, 7834331), (2975, 6912645), (6375, 3225901), (8925, 2304215), (14875, 1382529), (44625, 460843)]