20740230

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4703}}^1$

素因数の和:4730

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 42001722

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4703, 9406, 14109, 23515, 28218, 32921, 42327, 47030, 65842, 70545, 84654, 98763, 141090, 164605, 197526, 211635, 230447, 296289, 329210, 423270, 460894, 493815, 592578, 691341, 987630, 1152235, 1382682, 1481445, 2074023, 2304470, 2962890, 3456705, 4148046, 6913410, 10370115, 20740230]

約数ペア:

[(1, 20740230), (2, 10370115), (3, 6913410), (5, 4148046), (6, 3456705), (7, 2962890), (9, 2304470), (10, 2074023), (14, 1481445), (15, 1382682), (18, 1152235), (21, 987630), (30, 691341), (35, 592578), (42, 493815), (45, 460894), (49, 423270), (63, 329210), (70, 296289), (90, 230447), (98, 211635), (105, 197526), (126, 164605), (147, 141090), (210, 98763), (245, 84654), (294, 70545), (315, 65842), (441, 47030), (490, 42327), (630, 32921), (735, 28218), (882, 23515), (1470, 14109), (2205, 9406), (4410, 4703)]