20562560

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 52463700

約数和(自身を除く): 31901140

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 89, 95, 128, 152, 160, 178, 190, 304, 320, 356, 361, 380, 445, 608, 640, 712, 722, 760, 890, 1216, 1424, 1444, 1520, 1691, 1780, 1805, 2432, 2848, 2888, 3040, 3382, 3560, 3610, 5696, 5776, 6080, 6764, 7120, 7220, 8455, 11392, 11552, 12160, 13528, 14240, 14440, 16910, 23104, 27056, 28480, 28880, 32129, 33820, 46208, 54112, 56960, 57760, 64258, 67640, 108224, 115520, 128516, 135280, 160645, 216448, 231040, 257032, 270560, 321290, 514064, 541120, 642580, 1028128, 1082240, 1285160, 2056256, 2570320, 4112512, 5140640, 10281280, 20562560]

約数ペア:

[(1, 20562560), (2, 10281280), (4, 5140640), (5, 4112512), (8, 2570320), (10, 2056256), (16, 1285160), (19, 1082240), (20, 1028128), (32, 642580), (38, 541120), (40, 514064), (64, 321290), (76, 270560), (80, 257032), (89, 231040), (95, 216448), (128, 160645), (152, 135280), (160, 128516), (178, 115520), (190, 108224), (304, 67640), (320, 64258), (356, 57760), (361, 56960), (380, 54112), (445, 46208), (608, 33820), (640, 32129), (712, 28880), (722, 28480), (760, 27056), (890, 23104), (1216, 16910), (1424, 14440), (1444, 14240), (1520, 13528), (1691, 12160), (1780, 11552), (1805, 11392), (2432, 8455), (2848, 7220), (2888, 7120), (3040, 6764), (3382, 6080), (3560, 5776), (3610, 5696)]