20771005920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{883121}}^1$

素因数の和:883153

約数の個数: 144

約数和(自身を含む): 76110986448

約数和(自身を除く): 55339980528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 883121, 1766242, 2649363, 3532484, 4415605, 5298726, 6181847, 7064968, 8831210, 10597452, 12363694, 13246815, 14129936, 17662420, 18545541, 21194904, 24727388, 26493630, 28259872, 30909235, 35324840, 37091082, 42389808, 43272929, 49454776, 52987260, 61818470, 70649680, 74182164, 84779616, 86545858, 92727705, 98909552, 105974520, 123636940, 129818787, 141299360, 148364328, 173091716, 185455410, 197819104, 211949040, 216364645, 247273880, 259637574, 296728656, 346183432, 370910820, 423898080, 432729290, 494547760, 519275148, 593457312, 649093935, 692366864, 741821640, 865458580, 989095520, 1038550296, 1298187870, 1384733728, 1483643280, 1730917160, 2077100592, 2596375740, 2967286560, 3461834320, 4154201184, 5192751480, 6923668640, 10385502960, 20771005920]

約数ペア:

[(1, 20771005920), (2, 10385502960), (3, 6923668640), (4, 5192751480), (5, 4154201184), (6, 3461834320), (7, 2967286560), (8, 2596375740), (10, 2077100592), (12, 1730917160), (14, 1483643280), (15, 1384733728), (16, 1298187870), (20, 1038550296), (21, 989095520), (24, 865458580), (28, 741821640), (30, 692366864), (32, 649093935), (35, 593457312), (40, 519275148), (42, 494547760), (48, 432729290), (49, 423898080), (56, 370910820), (60, 346183432), (70, 296728656), (80, 259637574), (84, 247273880), (96, 216364645), (98, 211949040), (105, 197819104), (112, 185455410), (120, 173091716), (140, 148364328), (147, 141299360), (160, 129818787), (168, 123636940), (196, 105974520), (210, 98909552), (224, 92727705), (240, 86545858), (245, 84779616), (280, 74182164), (294, 70649680), (336, 61818470), (392, 52987260), (420, 49454776), (480, 43272929), (490, 42389808), (560, 37091082), (588, 35324840), (672, 30909235), (735, 28259872), (784, 26493630), (840, 24727388), (980, 21194904), (1120, 18545541), (1176, 17662420), (1470, 14129936), (1568, 13246815), (1680, 12363694), (1960, 10597452), (2352, 8831210), (2940, 7064968), (3360, 6181847), (3920, 5298726), (4704, 4415605), (5880, 3532484), (7840, 2649363), (11760, 1766242), (23520, 883121)]