20005939796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 37239354432

約数和(自身を除く): 17233414636

約数列:

[1, 2, 4, 17, 34, 68, 541, 691, 787, 1082, 1382, 1574, 2164, 2764, 3148, 9197, 11747, 13379, 18394, 23494, 26758, 36788, 46988, 53516, 373831, 425767, 543817, 747662, 851534, 1087634, 1495324, 1703068, 2175268, 6355127, 7238039, 9244889, 12710254, 14476078, 18489778, 25420508, 28952156, 36979556, 294204997, 588409994, 1176819988, 5001484949, 10002969898, 20005939796]

約数ペア:

[(1, 20005939796), (2, 10002969898), (4, 5001484949), (17, 1176819988), (34, 588409994), (68, 294204997), (541, 36979556), (691, 28952156), (787, 25420508), (1082, 18489778), (1382, 14476078), (1574, 12710254), (2164, 9244889), (2764, 7238039), (3148, 6355127), (9197, 2175268), (11747, 1703068), (13379, 1495324), (18394, 1087634), (23494, 851534), (26758, 747662), (36788, 543817), (46988, 425767), (53516, 373831)]