20348857965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{80687}}^1$

素因数の和:80778

約数の個数: 64

約数和(自身を含む): 36809220096

約数和(自身を除く): 16460362131

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 85, 115, 129, 215, 255, 345, 391, 645, 731, 989, 1173, 1955, 2193, 2967, 3655, 4945, 5865, 10965, 14835, 16813, 50439, 80687, 84065, 242061, 252195, 403435, 1210305, 1371679, 1855801, 3469541, 4115037, 5567403, 6858395, 9279005, 10408623, 17347705, 20575185, 27837015, 31548617, 52043115, 58982197, 79799443, 94645851, 157743085, 176946591, 239398329, 294910985, 398997215, 473229255, 884732955, 1196991645, 1356590531, 4069771593, 6782952655, 20348857965]

約数ペア:

[(1, 20348857965), (3, 6782952655), (5, 4069771593), (15, 1356590531), (17, 1196991645), (23, 884732955), (43, 473229255), (51, 398997215), (69, 294910985), (85, 239398329), (115, 176946591), (129, 157743085), (215, 94645851), (255, 79799443), (345, 58982197), (391, 52043115), (645, 31548617), (731, 27837015), (989, 20575185), (1173, 17347705), (1955, 10408623), (2193, 9279005), (2967, 6858395), (3655, 5567403), (4945, 4115037), (5865, 3469541), (10965, 1855801), (14835, 1371679), (16813, 1210305), (50439, 403435), (80687, 252195), (84065, 242061)]