20191947676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 38459821680

約数和(自身を除く): 18267874004

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 229, 458, 587, 799, 916, 1174, 1598, 2209, 2348, 3196, 3893, 4418, 7786, 8836, 9979, 10763, 15572, 19958, 21526, 27589, 37553, 39916, 43052, 55178, 75106, 110356, 134423, 150212, 182971, 268846, 365942, 469013, 505861, 537692, 731884, 938026, 1011722, 1296683, 1876052, 2023444, 2285191, 2593366, 4570382, 5186732, 6317881, 8599637, 9140764, 12635762, 17199274, 22043611, 25271524, 34398548, 44087222, 88174444, 107403977, 214807954, 296940407, 429615908, 593880814, 1187761628, 5047986919, 10095973838, 20191947676]

約数ペア:

[(1, 20191947676), (2, 10095973838), (4, 5047986919), (17, 1187761628), (34, 593880814), (47, 429615908), (68, 296940407), (94, 214807954), (188, 107403977), (229, 88174444), (458, 44087222), (587, 34398548), (799, 25271524), (916, 22043611), (1174, 17199274), (1598, 12635762), (2209, 9140764), (2348, 8599637), (3196, 6317881), (3893, 5186732), (4418, 4570382), (7786, 2593366), (8836, 2285191), (9979, 2023444), (10763, 1876052), (15572, 1296683), (19958, 1011722), (21526, 938026), (27589, 731884), (37553, 537692), (39916, 505861), (43052, 469013), (55178, 365942), (75106, 268846), (110356, 182971), (134423, 150212)]