20456388

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{3323}}^1$

素因数の和:3358

約数の個数: 60

約数和(自身を含む): 56308560

約数和(自身を除く): 35852172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 2052, 3078, 3323, 6156, 6646, 9969, 13292, 19938, 29907, 39876, 59814, 63137, 89721, 119628, 126274, 179442, 189411, 252548, 269163, 358884, 378822, 538326, 568233, 757644, 1076652, 1136466, 1704699, 2272932, 3409398, 5114097, 6818796, 10228194, 20456388]

約数ペア:

[(1, 20456388), (2, 10228194), (3, 6818796), (4, 5114097), (6, 3409398), (9, 2272932), (12, 1704699), (18, 1136466), (19, 1076652), (27, 757644), (36, 568233), (38, 538326), (54, 378822), (57, 358884), (76, 269163), (81, 252548), (108, 189411), (114, 179442), (162, 126274), (171, 119628), (228, 89721), (324, 63137), (342, 59814), (513, 39876), (684, 29907), (1026, 19938), (1539, 13292), (2052, 9969), (3078, 6646), (3323, 6156)]