20078691444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1\times {\mathrm{2647}}^1$

素因数の和:3666

約数の個数: 144

約数和(自身を含む): 59960549376

約数和(自身を除く): 39881857932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 971, 1116, 1302, 1942, 1953, 2604, 2647, 2913, 3884, 3906, 5294, 5826, 6797, 7812, 7941, 8739, 10588, 11652, 13594, 15882, 17478, 18529, 20391, 23823, 27188, 30101, 31764, 34956, 37058, 40782, 47646, 55587, 60202, 61173, 74116, 81564, 82057, 90303, 95292, 111174, 120404, 122346, 164114, 166761, 180606, 210707, 222348, 244692, 246171, 270909, 328228, 333522, 361212, 421414, 492342, 541818, 574399, 632121, 667044, 738513, 842828, 984684, 1083636, 1148798, 1264242, 1477026, 1723197, 1896363, 2297596, 2528484, 2570237, 2954052, 3446394, 3792726, 5140474, 5169591, 6892788, 7585452, 7710711, 10280948, 10339182, 15421422, 17991659, 20678364, 23132133, 30842844, 35983318, 46264266, 53974977, 71966636, 79677347, 92528532, 107949954, 159354694, 161924931, 215899908, 239032041, 318709388, 323849862, 478064082, 557741429, 647699724, 717096123, 956128164, 1115482858, 1434192246, 1673224287, 2230965716, 2868384492, 3346448574, 5019672861, 6692897148, 10039345722, 20078691444]

約数ペア:

[(1, 20078691444), (2, 10039345722), (3, 6692897148), (4, 5019672861), (6, 3346448574), (7, 2868384492), (9, 2230965716), (12, 1673224287), (14, 1434192246), (18, 1115482858), (21, 956128164), (28, 717096123), (31, 647699724), (36, 557741429), (42, 478064082), (62, 323849862), (63, 318709388), (84, 239032041), (93, 215899908), (124, 161924931), (126, 159354694), (186, 107949954), (217, 92528532), (252, 79677347), (279, 71966636), (372, 53974977), (434, 46264266), (558, 35983318), (651, 30842844), (868, 23132133), (971, 20678364), (1116, 17991659), (1302, 15421422), (1942, 10339182), (1953, 10280948), (2604, 7710711), (2647, 7585452), (2913, 6892788), (3884, 5169591), (3906, 5140474), (5294, 3792726), (5826, 3446394), (6797, 2954052), (7812, 2570237), (7941, 2528484), (8739, 2297596), (10588, 1896363), (11652, 1723197), (13594, 1477026), (15882, 1264242), (17478, 1148798), (18529, 1083636), (20391, 984684), (23823, 842828), (27188, 738513), (30101, 667044), (31764, 632121), (34956, 574399), (37058, 541818), (40782, 492342), (47646, 421414), (55587, 361212), (60202, 333522), (61173, 328228), (74116, 270909), (81564, 246171), (82057, 244692), (90303, 222348), (95292, 210707), (111174, 180606), (120404, 166761), (122346, 164114)]