20351850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:264

約数の個数: 96

約数和(自身を含む): 54847680

約数和(自身を除く): 34495830

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 37, 38, 50, 57, 74, 75, 95, 111, 114, 150, 185, 190, 193, 222, 285, 370, 386, 475, 555, 570, 579, 703, 925, 950, 965, 1110, 1158, 1406, 1425, 1850, 1930, 2109, 2775, 2850, 2895, 3515, 3667, 4218, 4825, 5550, 5790, 7030, 7141, 7334, 9650, 10545, 11001, 14282, 14475, 17575, 18335, 21090, 21423, 22002, 28950, 35150, 35705, 36670, 42846, 52725, 55005, 71410, 91675, 105450, 107115, 110010, 135679, 178525, 183350, 214230, 271358, 275025, 357050, 407037, 535575, 550050, 678395, 814074, 1071150, 1356790, 2035185, 3391975, 4070370, 6783950, 10175925, 20351850]

約数ペア:

[(1, 20351850), (2, 10175925), (3, 6783950), (5, 4070370), (6, 3391975), (10, 2035185), (15, 1356790), (19, 1071150), (25, 814074), (30, 678395), (37, 550050), (38, 535575), (50, 407037), (57, 357050), (74, 275025), (75, 271358), (95, 214230), (111, 183350), (114, 178525), (150, 135679), (185, 110010), (190, 107115), (193, 105450), (222, 91675), (285, 71410), (370, 55005), (386, 52725), (475, 42846), (555, 36670), (570, 35705), (579, 35150), (703, 28950), (925, 22002), (950, 21423), (965, 21090), (1110, 18335), (1158, 17575), (1406, 14475), (1425, 14282), (1850, 11001), (1930, 10545), (2109, 9650), (2775, 7334), (2850, 7141), (2895, 7030), (3515, 5790), (3667, 5550), (4218, 4825)]