20170853928

素因数分解:

$2^3\times 3^4\times {\mathrm{631}}^1\times {\mathrm{49331}}^1$

素因数の和:49980

約数の個数: 80

約数和(自身を含む): 56587750560

約数和(自身を除く): 36416896632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 631, 648, 1262, 1893, 2524, 3786, 5048, 5679, 7572, 11358, 15144, 17037, 22716, 34074, 45432, 49331, 51111, 68148, 98662, 102222, 136296, 147993, 197324, 204444, 295986, 394648, 408888, 443979, 591972, 887958, 1183944, 1331937, 1775916, 2663874, 3551832, 3995811, 5327748, 7991622, 10655496, 15983244, 31127861, 31966488, 62255722, 93383583, 124511444, 186767166, 249022888, 280150749, 373534332, 560301498, 747068664, 840452247, 1120602996, 1680904494, 2241205992, 2521356741, 3361808988, 5042713482, 6723617976, 10085426964, 20170853928]

約数ペア:

[(1, 20170853928), (2, 10085426964), (3, 6723617976), (4, 5042713482), (6, 3361808988), (8, 2521356741), (9, 2241205992), (12, 1680904494), (18, 1120602996), (24, 840452247), (27, 747068664), (36, 560301498), (54, 373534332), (72, 280150749), (81, 249022888), (108, 186767166), (162, 124511444), (216, 93383583), (324, 62255722), (631, 31966488), (648, 31127861), (1262, 15983244), (1893, 10655496), (2524, 7991622), (3786, 5327748), (5048, 3995811), (5679, 3551832), (7572, 2663874), (11358, 1775916), (15144, 1331937), (17037, 1183944), (22716, 887958), (34074, 591972), (45432, 443979), (49331, 408888), (51111, 394648), (68148, 295986), (98662, 204444), (102222, 197324), (136296, 147993)]