20175683937

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:558

約数の個数: 64

約数和(自身を含む): 28648833024

約数和(自身を除く): 8473149087

約数列:

[1, 3, 47, 61, 67, 141, 157, 183, 201, 223, 471, 669, 2867, 3149, 4087, 7379, 8601, 9447, 9577, 10481, 10519, 12261, 13603, 14941, 22137, 28731, 31443, 31557, 35011, 40809, 44823, 105033, 192089, 450119, 494393, 576267, 639341, 641659, 702227, 911401, 1350357, 1483179, 1645517, 1918023, 1924977, 2106681, 2135671, 2345737, 2734203, 4936551, 6407013, 7037211, 30157973, 42835847, 90473919, 100376537, 110249639, 128507541, 143089957, 301129611, 330748917, 429269871, 6725227979, 20175683937]

約数ペア:

[(1, 20175683937), (3, 6725227979), (47, 429269871), (61, 330748917), (67, 301129611), (141, 143089957), (157, 128507541), (183, 110249639), (201, 100376537), (223, 90473919), (471, 42835847), (669, 30157973), (2867, 7037211), (3149, 6407013), (4087, 4936551), (7379, 2734203), (8601, 2345737), (9447, 2135671), (9577, 2106681), (10481, 1924977), (10519, 1918023), (12261, 1645517), (13603, 1483179), (14941, 1350357), (22137, 911401), (28731, 702227), (31443, 641659), (31557, 639341), (35011, 576267), (40809, 494393), (44823, 450119), (105033, 192089)]