20181364245

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{2309}}^1\times {\mathrm{3083}}^1$

素因数の和:5416

約数の個数: 80

約数和(自身を含む): 41376424320

約数和(自身を除く): 21195060075

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2309, 2835, 3083, 6927, 9249, 11545, 15415, 16163, 20781, 21581, 27747, 34635, 46245, 48489, 62343, 64743, 80815, 83241, 103905, 107905, 138735, 145467, 187029, 194229, 242445, 249723, 311715, 323715, 416205, 436401, 582687, 727335, 935145, 971145, 1248615, 1309203, 1748061, 2182005, 2913435, 6546015, 7118647, 8740305, 21355941, 35593235, 49830529, 64067823, 106779705, 149491587, 192203469, 249152645, 320339115, 448474761, 576610407, 747457935, 961017345, 1345424283, 2242373805, 2883052035, 4036272849, 6727121415, 20181364245]

約数ペア:

[(1, 20181364245), (3, 6727121415), (5, 4036272849), (7, 2883052035), (9, 2242373805), (15, 1345424283), (21, 961017345), (27, 747457935), (35, 576610407), (45, 448474761), (63, 320339115), (81, 249152645), (105, 192203469), (135, 149491587), (189, 106779705), (315, 64067823), (405, 49830529), (567, 35593235), (945, 21355941), (2309, 8740305), (2835, 7118647), (3083, 6546015), (6927, 2913435), (9249, 2182005), (11545, 1748061), (15415, 1309203), (16163, 1248615), (20781, 971145), (21581, 935145), (27747, 727335), (34635, 582687), (46245, 436401), (48489, 416205), (62343, 323715), (64743, 311715), (80815, 249723), (83241, 242445), (103905, 194229), (107905, 187029), (138735, 145467)]