20987148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19219}}^1$

素因数の和:19246

約数の個数: 48

約数和(自身を含む): 60273920

約数和(自身を除く): 39286772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19219, 38438, 57657, 76876, 115314, 134533, 230628, 249847, 269066, 403599, 499694, 538132, 749541, 807198, 999388, 1499082, 1614396, 1748929, 2998164, 3497858, 5246787, 6995716, 10493574, 20987148]

約数ペア:

[(1, 20987148), (2, 10493574), (3, 6995716), (4, 5246787), (6, 3497858), (7, 2998164), (12, 1748929), (13, 1614396), (14, 1499082), (21, 999388), (26, 807198), (28, 749541), (39, 538132), (42, 499694), (52, 403599), (78, 269066), (84, 249847), (91, 230628), (156, 134533), (182, 115314), (273, 76876), (364, 57657), (546, 38438), (1092, 19219)]