20197584008

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{38653}}^1$

素因数の和:38747

約数の個数: 96

約数和(自身を含む): 46533231360

約数和(自身を除く): 26335647352

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 49, 56, 62, 86, 98, 124, 172, 196, 217, 248, 301, 344, 392, 434, 602, 868, 1204, 1333, 1519, 1736, 2107, 2408, 2666, 3038, 4214, 5332, 6076, 8428, 9331, 10664, 12152, 16856, 18662, 37324, 38653, 65317, 74648, 77306, 130634, 154612, 261268, 270571, 309224, 522536, 541142, 1082284, 1198243, 1662079, 1893997, 2164568, 2396486, 3324158, 3787994, 4792972, 6648316, 7575988, 8387701, 9585944, 11634553, 13296632, 15151976, 16775402, 23269106, 33550804, 46538212, 51524449, 58713907, 67101608, 81441871, 93076424, 103048898, 117427814, 162883742, 206097796, 234855628, 325767484, 360671143, 412195592, 469711256, 651534968, 721342286, 1442684572, 2524698001, 2885369144, 5049396002, 10098792004, 20197584008]

約数ペア:

[(1, 20197584008), (2, 10098792004), (4, 5049396002), (7, 2885369144), (8, 2524698001), (14, 1442684572), (28, 721342286), (31, 651534968), (43, 469711256), (49, 412195592), (56, 360671143), (62, 325767484), (86, 234855628), (98, 206097796), (124, 162883742), (172, 117427814), (196, 103048898), (217, 93076424), (248, 81441871), (301, 67101608), (344, 58713907), (392, 51524449), (434, 46538212), (602, 33550804), (868, 23269106), (1204, 16775402), (1333, 15151976), (1519, 13296632), (1736, 11634553), (2107, 9585944), (2408, 8387701), (2666, 7575988), (3038, 6648316), (4214, 4792972), (5332, 3787994), (6076, 3324158), (8428, 2396486), (9331, 2164568), (10664, 1893997), (12152, 1662079), (16856, 1198243), (18662, 1082284), (37324, 541142), (38653, 522536), (65317, 309224), (74648, 270571), (77306, 261268), (130634, 154612)]