20172870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:330

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36436410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 251, 282, 285, 342, 423, 470, 502, 570, 705, 753, 846, 855, 893, 1255, 1410, 1506, 1710, 1786, 2115, 2259, 2510, 2679, 3765, 4230, 4465, 4518, 4769, 5358, 7530, 8037, 8930, 9538, 11295, 11797, 13395, 14307, 16074, 22590, 23594, 23845, 26790, 28614, 35391, 40185, 42921, 47690, 58985, 70782, 71535, 80370, 85842, 106173, 117970, 143070, 176955, 212346, 214605, 224143, 353910, 429210, 448286, 530865, 672429, 1061730, 1120715, 1344858, 2017287, 2241430, 3362145, 4034574, 6724290, 10086435, 20172870]

約数ペア:

[(1, 20172870), (2, 10086435), (3, 6724290), (5, 4034574), (6, 3362145), (9, 2241430), (10, 2017287), (15, 1344858), (18, 1120715), (19, 1061730), (30, 672429), (38, 530865), (45, 448286), (47, 429210), (57, 353910), (90, 224143), (94, 214605), (95, 212346), (114, 176955), (141, 143070), (171, 117970), (190, 106173), (235, 85842), (251, 80370), (282, 71535), (285, 70782), (342, 58985), (423, 47690), (470, 42921), (502, 40185), (570, 35391), (705, 28614), (753, 26790), (846, 23845), (855, 23594), (893, 22590), (1255, 16074), (1410, 14307), (1506, 13395), (1710, 11797), (1786, 11295), (2115, 9538), (2259, 8930), (2510, 8037), (2679, 7530), (3765, 5358), (4230, 4769), (4465, 4518)]