20163655980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8616947}}^1$

素因数の和:8616975

約数の個数: 72

約数和(自身を含む): 65867950512

約数和(自身を除く): 45704294532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8616947, 17233894, 25850841, 34467788, 43084735, 51701682, 77552523, 86169470, 103403364, 112020311, 129254205, 155105046, 172338940, 224040622, 258508410, 310210092, 336060933, 387762615, 448081244, 517016820, 560101555, 672121866, 775525230, 1008182799, 1120203110, 1344243732, 1551050460, 1680304665, 2016365598, 2240406220, 3360609330, 4032731196, 5040913995, 6721218660, 10081827990, 20163655980]

約数ペア:

[(1, 20163655980), (2, 10081827990), (3, 6721218660), (4, 5040913995), (5, 4032731196), (6, 3360609330), (9, 2240406220), (10, 2016365598), (12, 1680304665), (13, 1551050460), (15, 1344243732), (18, 1120203110), (20, 1008182799), (26, 775525230), (30, 672121866), (36, 560101555), (39, 517016820), (45, 448081244), (52, 387762615), (60, 336060933), (65, 310210092), (78, 258508410), (90, 224040622), (117, 172338940), (130, 155105046), (156, 129254205), (180, 112020311), (195, 103403364), (234, 86169470), (260, 77552523), (390, 51701682), (468, 43084735), (585, 34467788), (780, 25850841), (1170, 17233894), (2340, 8616947)]