20379996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6221}}^1$

素因数の和:6251

約数の個数: 72

約数和(自身を含む): 63414624

約数和(自身を除く): 43034628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6221, 12442, 18663, 24884, 37326, 43547, 55989, 74652, 80873, 87094, 111978, 130641, 161746, 174188, 223956, 242619, 261282, 323492, 391923, 485238, 522564, 566111, 727857, 783846, 970476, 1132222, 1455714, 1567692, 1698333, 2264444, 2911428, 3396666, 5094999, 6793332, 10189998, 20379996]

約数ペア:

[(1, 20379996), (2, 10189998), (3, 6793332), (4, 5094999), (6, 3396666), (7, 2911428), (9, 2264444), (12, 1698333), (13, 1567692), (14, 1455714), (18, 1132222), (21, 970476), (26, 783846), (28, 727857), (36, 566111), (39, 522564), (42, 485238), (52, 391923), (63, 323492), (78, 261282), (84, 242619), (91, 223956), (117, 174188), (126, 161746), (156, 130641), (182, 111978), (234, 87094), (252, 80873), (273, 74652), (364, 55989), (468, 43547), (546, 37326), (819, 24884), (1092, 18663), (1638, 12442), (3276, 6221)]