20211350159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{2383}}^1$

素因数の和:2680

約数の個数: 64

約数和(自身を含む): 28003799040

約数和(自身を除く): 7792448881

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 229, 259, 407, 481, 1001, 1603, 2383, 2519, 2849, 2977, 3367, 5291, 8473, 16681, 17633, 20839, 26213, 30979, 32747, 37037, 59311, 88171, 93203, 110149, 183491, 216853, 229229, 340769, 545707, 617197, 652421, 771043, 969881, 1146223, 1211639, 2385383, 3819949, 6002777, 6789167, 7094191, 8023561, 8481473, 12608453, 20191159, 42019439, 49659337, 78036101, 88259171, 141338113, 222102749, 262485067, 546252707, 1554719243, 1837395469, 2887335737, 20211350159]

約数ペア:

[(1, 20211350159), (7, 2887335737), (11, 1837395469), (13, 1554719243), (37, 546252707), (77, 262485067), (91, 222102749), (143, 141338113), (229, 88259171), (259, 78036101), (407, 49659337), (481, 42019439), (1001, 20191159), (1603, 12608453), (2383, 8481473), (2519, 8023561), (2849, 7094191), (2977, 6789167), (3367, 6002777), (5291, 3819949), (8473, 2385383), (16681, 1211639), (17633, 1146223), (20839, 969881), (26213, 771043), (30979, 652421), (32747, 617197), (37037, 545707), (59311, 340769), (88171, 229229), (93203, 216853), (110149, 183491)]