20785096995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{24611}}^1$

素因数の和:24764

約数の個数: 64

約数和(自身を含む): 36915637248

約数和(自身を除く): 16130540253

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 71, 183, 195, 213, 305, 355, 793, 915, 923, 1065, 2379, 2769, 3965, 4331, 4615, 11895, 12993, 13845, 21655, 24611, 56303, 64965, 73833, 123055, 168909, 281515, 319943, 369165, 844545, 959829, 1501271, 1599715, 1747381, 4503813, 4799145, 5242143, 7506355, 8736905, 19516523, 22519065, 22715953, 26210715, 58549569, 68147859, 97582615, 106590241, 113579765, 292747845, 319770723, 340739295, 532951205, 1385673133, 1598853615, 4157019399, 6928365665, 20785096995]

約数ペア:

[(1, 20785096995), (3, 6928365665), (5, 4157019399), (13, 1598853615), (15, 1385673133), (39, 532951205), (61, 340739295), (65, 319770723), (71, 292747845), (183, 113579765), (195, 106590241), (213, 97582615), (305, 68147859), (355, 58549569), (793, 26210715), (915, 22715953), (923, 22519065), (1065, 19516523), (2379, 8736905), (2769, 7506355), (3965, 5242143), (4331, 4799145), (4615, 4503813), (11895, 1747381), (12993, 1599715), (13845, 1501271), (21655, 959829), (24611, 844545), (56303, 369165), (64965, 319943), (73833, 281515), (123055, 168909)]