20217233660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{31091}}^1$

素因数の和:31215

約数の個数: 96

約数和(自身を含む): 47606577984

約数和(自身を除く): 27389344324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 61, 65, 82, 122, 130, 164, 205, 244, 260, 305, 410, 533, 610, 793, 820, 1066, 1220, 1586, 2132, 2501, 2665, 3172, 3965, 5002, 5330, 7930, 10004, 10660, 12505, 15860, 25010, 31091, 32513, 50020, 62182, 65026, 124364, 130052, 155455, 162565, 310910, 325130, 404183, 621820, 650260, 808366, 1274731, 1616732, 1896551, 2020915, 2549462, 3793102, 4041830, 5098924, 6373655, 7586204, 8083660, 9482755, 12747310, 16571503, 18965510, 24655163, 25494620, 33143006, 37931020, 49310326, 66286012, 77758591, 82857515, 98620652, 123275815, 155517182, 165715030, 246551630, 311034364, 331430060, 388792955, 493103260, 777585910, 1010861683, 1555171820, 2021723366, 4043446732, 5054308415, 10108616830, 20217233660]

約数ペア:

[(1, 20217233660), (2, 10108616830), (4, 5054308415), (5, 4043446732), (10, 2021723366), (13, 1555171820), (20, 1010861683), (26, 777585910), (41, 493103260), (52, 388792955), (61, 331430060), (65, 311034364), (82, 246551630), (122, 165715030), (130, 155517182), (164, 123275815), (205, 98620652), (244, 82857515), (260, 77758591), (305, 66286012), (410, 49310326), (533, 37931020), (610, 33143006), (793, 25494620), (820, 24655163), (1066, 18965510), (1220, 16571503), (1586, 12747310), (2132, 9482755), (2501, 8083660), (2665, 7586204), (3172, 6373655), (3965, 5098924), (5002, 4041830), (5330, 3793102), (7930, 2549462), (10004, 2020915), (10660, 1896551), (12505, 1616732), (15860, 1274731), (25010, 808366), (31091, 650260), (32513, 621820), (50020, 404183), (62182, 325130), (65026, 310910), (124364, 162565), (130052, 155455)]