20508030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 57283200

約数和(自身を除く): 36775170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 67, 90, 95, 114, 134, 171, 179, 190, 201, 285, 335, 342, 358, 402, 537, 570, 603, 670, 855, 895, 1005, 1074, 1206, 1273, 1611, 1710, 1790, 2010, 2546, 2685, 3015, 3222, 3401, 3819, 5370, 6030, 6365, 6802, 7638, 8055, 10203, 11457, 11993, 12730, 16110, 17005, 19095, 20406, 22914, 23986, 30609, 34010, 35979, 38190, 51015, 57285, 59965, 61218, 71958, 102030, 107937, 114570, 119930, 153045, 179895, 215874, 227867, 306090, 359790, 455734, 539685, 683601, 1079370, 1139335, 1367202, 2050803, 2278670, 3418005, 4101606, 6836010, 10254015, 20508030]

約数ペア:

[(1, 20508030), (2, 10254015), (3, 6836010), (5, 4101606), (6, 3418005), (9, 2278670), (10, 2050803), (15, 1367202), (18, 1139335), (19, 1079370), (30, 683601), (38, 539685), (45, 455734), (57, 359790), (67, 306090), (90, 227867), (95, 215874), (114, 179895), (134, 153045), (171, 119930), (179, 114570), (190, 107937), (201, 102030), (285, 71958), (335, 61218), (342, 59965), (358, 57285), (402, 51015), (537, 38190), (570, 35979), (603, 34010), (670, 30609), (855, 23986), (895, 22914), (1005, 20406), (1074, 19095), (1206, 17005), (1273, 16110), (1611, 12730), (1710, 11993), (1790, 11457), (2010, 10203), (2546, 8055), (2685, 7638), (3015, 6802), (3222, 6365), (3401, 6030), (3819, 5370)]