20446736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 42169920

約数和(自身を除く): 21723184

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 653, 824, 1306, 1648, 1957, 2612, 3914, 5224, 7828, 10448, 12407, 15656, 24814, 31312, 49628, 67259, 99256, 134518, 198512, 269036, 538072, 1076144, 1277921, 2555842, 5111684, 10223368, 20446736]

約数ペア:

[(1, 20446736), (2, 10223368), (4, 5111684), (8, 2555842), (16, 1277921), (19, 1076144), (38, 538072), (76, 269036), (103, 198512), (152, 134518), (206, 99256), (304, 67259), (412, 49628), (653, 31312), (824, 24814), (1306, 15656), (1648, 12407), (1957, 10448), (2612, 7828), (3914, 5224)]