20163340780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1783}}^1\times {\mathrm{4673}}^1$

素因数の和:6487

約数の個数: 72

約数和(自身を含む): 46578391776

約数和(自身を除く): 26415050996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1783, 2420, 3566, 4673, 7132, 8915, 9346, 17830, 18692, 19613, 23365, 35660, 39226, 46730, 51403, 78452, 93460, 98065, 102806, 196130, 205612, 215743, 257015, 392260, 431486, 514030, 565433, 862972, 1028060, 1078715, 1130866, 2157430, 2261732, 2827165, 4314860, 5654330, 8331959, 11308660, 16663918, 33327836, 41659795, 83319590, 91651549, 166639180, 183303098, 366606196, 458257745, 916515490, 1008167039, 1833030980, 2016334078, 4032668156, 5040835195, 10081670390, 20163340780]

約数ペア:

[(1, 20163340780), (2, 10081670390), (4, 5040835195), (5, 4032668156), (10, 2016334078), (11, 1833030980), (20, 1008167039), (22, 916515490), (44, 458257745), (55, 366606196), (110, 183303098), (121, 166639180), (220, 91651549), (242, 83319590), (484, 41659795), (605, 33327836), (1210, 16663918), (1783, 11308660), (2420, 8331959), (3566, 5654330), (4673, 4314860), (7132, 2827165), (8915, 2261732), (9346, 2157430), (17830, 1130866), (18692, 1078715), (19613, 1028060), (23365, 862972), (35660, 565433), (39226, 514030), (46730, 431486), (51403, 392260), (78452, 257015), (93460, 215743), (98065, 205612), (102806, 196130)]