20754630

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:114

約数の個数: 128

約数和(自身を含む): 61165440

約数和(自身を除く): 40410810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 81, 90, 117, 130, 135, 146, 162, 195, 219, 234, 243, 270, 351, 365, 390, 405, 438, 486, 585, 657, 702, 729, 730, 810, 949, 1053, 1095, 1170, 1215, 1314, 1458, 1755, 1898, 1971, 2106, 2187, 2190, 2430, 2847, 3159, 3285, 3510, 3645, 3942, 4374, 4745, 5265, 5694, 5913, 6318, 6570, 7290, 8541, 9477, 9490, 9855, 10530, 10935, 11826, 14235, 15795, 17082, 17739, 18954, 19710, 21870, 25623, 28431, 28470, 29565, 31590, 35478, 42705, 47385, 51246, 53217, 56862, 59130, 76869, 85410, 88695, 94770, 106434, 128115, 142155, 153738, 159651, 177390, 230607, 256230, 266085, 284310, 319302, 384345, 461214, 532170, 691821, 768690, 798255, 1153035, 1383642, 1596510, 2075463, 2306070, 3459105, 4150926, 6918210, 10377315, 20754630]

約数ペア:

[(1, 20754630), (2, 10377315), (3, 6918210), (5, 4150926), (6, 3459105), (9, 2306070), (10, 2075463), (13, 1596510), (15, 1383642), (18, 1153035), (26, 798255), (27, 768690), (30, 691821), (39, 532170), (45, 461214), (54, 384345), (65, 319302), (73, 284310), (78, 266085), (81, 256230), (90, 230607), (117, 177390), (130, 159651), (135, 153738), (146, 142155), (162, 128115), (195, 106434), (219, 94770), (234, 88695), (243, 85410), (270, 76869), (351, 59130), (365, 56862), (390, 53217), (405, 51246), (438, 47385), (486, 42705), (585, 35478), (657, 31590), (702, 29565), (729, 28470), (730, 28431), (810, 25623), (949, 21870), (1053, 19710), (1095, 18954), (1170, 17739), (1215, 17082), (1314, 15795), (1458, 14235), (1755, 11826), (1898, 10935), (1971, 10530), (2106, 9855), (2187, 9490), (2190, 9477), (2430, 8541), (2847, 7290), (3159, 6570), (3285, 6318), (3510, 5913), (3645, 5694), (3942, 5265), (4374, 4745)]