20328065919

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{379163}}^1$

素因数の和:379236

約数の個数: 48

約数和(自身を含む): 35962947072

約数和(自身を除く): 15634881153

約数列:

[1, 3, 7, 9, 21, 23, 37, 63, 69, 111, 161, 207, 259, 333, 483, 777, 851, 1449, 2331, 2553, 5957, 7659, 17871, 53613, 379163, 1137489, 2654141, 3412467, 7962423, 8720749, 14029031, 23887269, 26162247, 42087093, 61045243, 78486741, 98203217, 126261279, 183135729, 294609651, 322667713, 549407187, 883828953, 968003139, 2258673991, 2904009417, 6776021973, 20328065919]

約数ペア:

[(1, 20328065919), (3, 6776021973), (7, 2904009417), (9, 2258673991), (21, 968003139), (23, 883828953), (37, 549407187), (63, 322667713), (69, 294609651), (111, 183135729), (161, 126261279), (207, 98203217), (259, 78486741), (333, 61045243), (483, 42087093), (777, 26162247), (851, 23887269), (1449, 14029031), (2331, 8720749), (2553, 7962423), (5957, 3412467), (7659, 2654141), (17871, 1137489), (53613, 379163)]