20058789780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{25321}}^1$

素因数の和:25508

約数の個数: 144

約数和(自身を含む): 63488128704

約数和(自身を除く): 43429338924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 163, 180, 243, 270, 324, 326, 405, 486, 489, 540, 652, 810, 815, 972, 978, 1215, 1467, 1620, 1630, 1956, 2430, 2445, 2934, 3260, 4401, 4860, 4890, 5868, 7335, 8802, 9780, 13203, 14670, 17604, 22005, 25321, 26406, 29340, 39609, 44010, 50642, 52812, 66015, 75963, 79218, 88020, 101284, 126605, 132030, 151926, 158436, 198045, 227889, 253210, 264060, 303852, 379815, 396090, 455778, 506420, 683667, 759630, 792180, 911556, 1139445, 1367334, 1519260, 2051001, 2278890, 2734668, 3418335, 4102002, 4127323, 4557780, 6153003, 6836670, 8204004, 8254646, 10255005, 12306006, 12381969, 13673340, 16509292, 20510010, 20636615, 24612012, 24763938, 30765015, 37145907, 41020020, 41273230, 49527876, 61530030, 61909845, 74291814, 82546460, 111437721, 123060060, 123819690, 148583628, 185729535, 222875442, 247639380, 334313163, 371459070, 445750884, 557188605, 668626326, 742918140, 1002939489, 1114377210, 1337252652, 1671565815, 2005878978, 2228754420, 3343131630, 4011757956, 5014697445, 6686263260, 10029394890, 20058789780]

約数ペア:

[(1, 20058789780), (2, 10029394890), (3, 6686263260), (4, 5014697445), (5, 4011757956), (6, 3343131630), (9, 2228754420), (10, 2005878978), (12, 1671565815), (15, 1337252652), (18, 1114377210), (20, 1002939489), (27, 742918140), (30, 668626326), (36, 557188605), (45, 445750884), (54, 371459070), (60, 334313163), (81, 247639380), (90, 222875442), (108, 185729535), (135, 148583628), (162, 123819690), (163, 123060060), (180, 111437721), (243, 82546460), (270, 74291814), (324, 61909845), (326, 61530030), (405, 49527876), (486, 41273230), (489, 41020020), (540, 37145907), (652, 30765015), (810, 24763938), (815, 24612012), (972, 20636615), (978, 20510010), (1215, 16509292), (1467, 13673340), (1620, 12381969), (1630, 12306006), (1956, 10255005), (2430, 8254646), (2445, 8204004), (2934, 6836670), (3260, 6153003), (4401, 4557780), (4860, 4127323), (4890, 4102002), (5868, 3418335), (7335, 2734668), (8802, 2278890), (9780, 2051001), (13203, 1519260), (14670, 1367334), (17604, 1139445), (22005, 911556), (25321, 792180), (26406, 759630), (29340, 683667), (39609, 506420), (44010, 455778), (50642, 396090), (52812, 379815), (66015, 303852), (75963, 264060), (79218, 253210), (88020, 227889), (101284, 198045), (126605, 158436), (132030, 151926)]