20150781105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{868381}}^1$

素因数の和:868426

約数の個数: 64

約数和(自身を含む): 42015794688

約数和(自身を除く): 21865013583

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 1105, 1365, 1547, 1785, 3315, 4641, 7735, 23205, 868381, 2605143, 4341905, 6078667, 11288953, 13025715, 14762477, 18236001, 30393335, 33866859, 44287431, 56444765, 73812385, 79022671, 91180005, 103337339, 169334295, 191912201, 221437155, 237068013, 310012017, 395113355, 516686695, 575736603, 959561005, 1185340065, 1343385407, 1550060085, 2878683015, 4030156221, 6716927035, 20150781105]

約数ペア:

[(1, 20150781105), (3, 6716927035), (5, 4030156221), (7, 2878683015), (13, 1550060085), (15, 1343385407), (17, 1185340065), (21, 959561005), (35, 575736603), (39, 516686695), (51, 395113355), (65, 310012017), (85, 237068013), (91, 221437155), (105, 191912201), (119, 169334295), (195, 103337339), (221, 91180005), (255, 79022671), (273, 73812385), (357, 56444765), (455, 44287431), (595, 33866859), (663, 30393335), (1105, 18236001), (1365, 14762477), (1547, 13025715), (1785, 11288953), (3315, 6078667), (4641, 4341905), (7735, 2605143), (23205, 868381)]