20317550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 45559584

約数和(自身を除く): 25242034

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 41, 50, 53, 55, 82, 85, 106, 110, 170, 187, 205, 265, 275, 374, 410, 425, 451, 530, 550, 583, 697, 850, 901, 902, 935, 1025, 1166, 1325, 1394, 1802, 1870, 2050, 2173, 2255, 2650, 2915, 3485, 4346, 4505, 4510, 4675, 5830, 6970, 7667, 9010, 9350, 9911, 10865, 11275, 14575, 15334, 17425, 19822, 21730, 22525, 22550, 23903, 29150, 34850, 36941, 38335, 45050, 47806, 49555, 54325, 73882, 76670, 99110, 108650, 119515, 184705, 191675, 239030, 247775, 369410, 383350, 406351, 495550, 597575, 812702, 923525, 1195150, 1847050, 2031755, 4063510, 10158775, 20317550]

約数ペア:

[(1, 20317550), (2, 10158775), (5, 4063510), (10, 2031755), (11, 1847050), (17, 1195150), (22, 923525), (25, 812702), (34, 597575), (41, 495550), (50, 406351), (53, 383350), (55, 369410), (82, 247775), (85, 239030), (106, 191675), (110, 184705), (170, 119515), (187, 108650), (205, 99110), (265, 76670), (275, 73882), (374, 54325), (410, 49555), (425, 47806), (451, 45050), (530, 38335), (550, 36941), (583, 34850), (697, 29150), (850, 23903), (901, 22550), (902, 22525), (935, 21730), (1025, 19822), (1166, 17425), (1325, 15334), (1394, 14575), (1802, 11275), (1870, 10865), (2050, 9911), (2173, 9350), (2255, 9010), (2650, 7667), (2915, 6970), (3485, 5830), (4346, 4675), (4505, 4510)]