20561952

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11273}}^1$

素因数の和:11305

約数の個数: 48

約数和(自身を含む): 56820960

約数和(自身を除く): 36259008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11273, 22546, 33819, 45092, 67638, 90184, 135276, 180368, 214187, 270552, 360736, 428374, 541104, 642561, 856748, 1082208, 1285122, 1713496, 2570244, 3426992, 5140488, 6853984, 10280976, 20561952]

約数ペア:

[(1, 20561952), (2, 10280976), (3, 6853984), (4, 5140488), (6, 3426992), (8, 2570244), (12, 1713496), (16, 1285122), (19, 1082208), (24, 856748), (32, 642561), (38, 541104), (48, 428374), (57, 360736), (76, 270552), (96, 214187), (114, 180368), (152, 135276), (228, 90184), (304, 67638), (456, 45092), (608, 33819), (912, 22546), (1824, 11273)]