20201635088

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:773

約数の個数: 120

約数和(自身を含む): 42905111040

約数和(自身を除く): 22703475952

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 257, 304, 361, 439, 496, 514, 589, 722, 878, 1028, 1178, 1444, 1756, 2056, 2356, 2888, 3512, 4112, 4712, 4883, 5776, 7024, 7967, 8341, 9424, 9766, 11191, 13609, 15934, 16682, 19532, 22382, 27218, 31868, 33364, 39064, 44764, 54436, 63736, 66728, 78128, 89528, 92777, 108872, 112823, 127472, 133456, 151373, 158479, 179056, 185554, 217744, 225646, 258571, 302746, 316958, 371108, 451292, 517142, 605492, 633916, 742216, 902584, 1034284, 1210984, 1267832, 1484432, 1805168, 2068568, 2143637, 2421968, 2535664, 2876087, 3497513, 4137136, 4287274, 4912849, 5752174, 6995026, 8574548, 9825698, 11504348, 13990052, 17149096, 19651396, 23008696, 27980104, 34298192, 39302792, 40729103, 46017392, 55960208, 66452747, 78605584, 81458206, 132905494, 162916412, 265810988, 325832824, 531621976, 651665648, 1063243952, 1262602193, 2525204386, 5050408772, 10100817544, 20201635088]

約数ペア:

[(1, 20201635088), (2, 10100817544), (4, 5050408772), (8, 2525204386), (16, 1262602193), (19, 1063243952), (31, 651665648), (38, 531621976), (62, 325832824), (76, 265810988), (124, 162916412), (152, 132905494), (248, 81458206), (257, 78605584), (304, 66452747), (361, 55960208), (439, 46017392), (496, 40729103), (514, 39302792), (589, 34298192), (722, 27980104), (878, 23008696), (1028, 19651396), (1178, 17149096), (1444, 13990052), (1756, 11504348), (2056, 9825698), (2356, 8574548), (2888, 6995026), (3512, 5752174), (4112, 4912849), (4712, 4287274), (4883, 4137136), (5776, 3497513), (7024, 2876087), (7967, 2535664), (8341, 2421968), (9424, 2143637), (9766, 2068568), (11191, 1805168), (13609, 1484432), (15934, 1267832), (16682, 1210984), (19532, 1034284), (22382, 902584), (27218, 742216), (31868, 633916), (33364, 605492), (39064, 517142), (44764, 451292), (54436, 371108), (63736, 316958), (66728, 302746), (78128, 258571), (89528, 225646), (92777, 217744), (108872, 185554), (112823, 179056), (127472, 158479), (133456, 151373)]