20383935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 41741568

約数和(自身を除く): 21357633

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 43, 51, 55, 65, 85, 129, 143, 165, 169, 187, 195, 215, 221, 255, 429, 473, 507, 559, 561, 645, 663, 715, 731, 845, 935, 1105, 1419, 1677, 1859, 2145, 2193, 2365, 2431, 2535, 2795, 2805, 2873, 3315, 3655, 5577, 6149, 7095, 7267, 7293, 8041, 8385, 8619, 9295, 9503, 10965, 12155, 14365, 18447, 21801, 24123, 27885, 28509, 30745, 31603, 36335, 36465, 40205, 43095, 47515, 79937, 92235, 94809, 104533, 109005, 120615, 123539, 142545, 158015, 239811, 313599, 370617, 399685, 474045, 522665, 617695, 1199055, 1358929, 1567995, 1853085, 4076787, 6794645, 20383935]

約数ペア:

[(1, 20383935), (3, 6794645), (5, 4076787), (11, 1853085), (13, 1567995), (15, 1358929), (17, 1199055), (33, 617695), (39, 522665), (43, 474045), (51, 399685), (55, 370617), (65, 313599), (85, 239811), (129, 158015), (143, 142545), (165, 123539), (169, 120615), (187, 109005), (195, 104533), (215, 94809), (221, 92235), (255, 79937), (429, 47515), (473, 43095), (507, 40205), (559, 36465), (561, 36335), (645, 31603), (663, 30745), (715, 28509), (731, 27885), (845, 24123), (935, 21801), (1105, 18447), (1419, 14365), (1677, 12155), (1859, 10965), (2145, 9503), (2193, 9295), (2365, 8619), (2431, 8385), (2535, 8041), (2795, 7293), (2805, 7267), (2873, 7095), (3315, 6149), (3655, 5577)]