20126640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4933}}^1$

素因数の和:4966

約数の個数: 80

約数和(自身を含む): 66076128

約数和(自身を除く): 45949488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4933, 9866, 14799, 19732, 24665, 29598, 39464, 49330, 59196, 73995, 78928, 83861, 98660, 118392, 147990, 167722, 197320, 236784, 251583, 295980, 335444, 394640, 419305, 503166, 591960, 670888, 838610, 1006332, 1183920, 1257915, 1341776, 1677220, 2012664, 2515830, 3354440, 4025328, 5031660, 6708880, 10063320, 20126640]

約数ペア:

[(1, 20126640), (2, 10063320), (3, 6708880), (4, 5031660), (5, 4025328), (6, 3354440), (8, 2515830), (10, 2012664), (12, 1677220), (15, 1341776), (16, 1257915), (17, 1183920), (20, 1006332), (24, 838610), (30, 670888), (34, 591960), (40, 503166), (48, 419305), (51, 394640), (60, 335444), (68, 295980), (80, 251583), (85, 236784), (102, 197320), (120, 167722), (136, 147990), (170, 118392), (204, 98660), (240, 83861), (255, 78928), (272, 73995), (340, 59196), (408, 49330), (510, 39464), (680, 29598), (816, 24665), (1020, 19732), (1360, 14799), (2040, 9866), (4080, 4933)]