20189486415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{12583}}^1$

素因数の和:12701

約数の個数: 96

約数和(自身を含む): 39249999360

約数和(自身を除く): 19060512945

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 59, 105, 111, 147, 177, 185, 245, 259, 295, 413, 555, 735, 777, 885, 1239, 1295, 1813, 2065, 2183, 2891, 3885, 5439, 6195, 6549, 8673, 9065, 10915, 12583, 14455, 15281, 27195, 32745, 37749, 43365, 45843, 62915, 76405, 88081, 106967, 188745, 229215, 264243, 320901, 440405, 465571, 534835, 616567, 742397, 1321215, 1396713, 1604505, 1849701, 2227191, 2327855, 3082835, 3258997, 3711985, 5196779, 6983565, 9248505, 9776991, 11135955, 15590337, 16294985, 22812979, 25983895, 27468689, 36377453, 48884955, 68438937, 77951685, 82406067, 109132359, 114064895, 137343445, 181887265, 192280823, 342194685, 412030335, 545661795, 576842469, 961404115, 1345965761, 2884212345, 4037897283, 6729828805, 20189486415]

約数ペア:

[(1, 20189486415), (3, 6729828805), (5, 4037897283), (7, 2884212345), (15, 1345965761), (21, 961404115), (35, 576842469), (37, 545661795), (49, 412030335), (59, 342194685), (105, 192280823), (111, 181887265), (147, 137343445), (177, 114064895), (185, 109132359), (245, 82406067), (259, 77951685), (295, 68438937), (413, 48884955), (555, 36377453), (735, 27468689), (777, 25983895), (885, 22812979), (1239, 16294985), (1295, 15590337), (1813, 11135955), (2065, 9776991), (2183, 9248505), (2891, 6983565), (3885, 5196779), (5439, 3711985), (6195, 3258997), (6549, 3082835), (8673, 2327855), (9065, 2227191), (10915, 1849701), (12583, 1604505), (14455, 1396713), (15281, 1321215), (27195, 742397), (32745, 616567), (37749, 534835), (43365, 465571), (45843, 440405), (62915, 320901), (76405, 264243), (88081, 229215), (106967, 188745)]