20199270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 61286400

約数和(自身を除く): 41087130

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 151, 182, 195, 210, 245, 273, 294, 302, 343, 390, 453, 455, 490, 546, 637, 686, 735, 755, 906, 910, 1029, 1057, 1274, 1365, 1470, 1510, 1715, 1911, 1963, 2058, 2114, 2265, 2730, 3171, 3185, 3430, 3822, 3926, 4459, 4530, 5145, 5285, 5889, 6342, 6370, 7399, 8918, 9555, 9815, 10290, 10570, 11778, 13377, 13741, 14798, 15855, 19110, 19630, 22197, 22295, 26754, 27482, 29445, 31710, 36995, 41223, 44394, 44590, 51793, 58890, 66885, 68705, 73990, 82446, 96187, 103586, 110985, 133770, 137410, 155379, 192374, 206115, 221970, 258965, 288561, 310758, 412230, 480935, 517930, 577122, 673309, 776895, 961870, 1346618, 1442805, 1553790, 2019927, 2885610, 3366545, 4039854, 6733090, 10099635, 20199270]

約数ペア:

[(1, 20199270), (2, 10099635), (3, 6733090), (5, 4039854), (6, 3366545), (7, 2885610), (10, 2019927), (13, 1553790), (14, 1442805), (15, 1346618), (21, 961870), (26, 776895), (30, 673309), (35, 577122), (39, 517930), (42, 480935), (49, 412230), (65, 310758), (70, 288561), (78, 258965), (91, 221970), (98, 206115), (105, 192374), (130, 155379), (147, 137410), (151, 133770), (182, 110985), (195, 103586), (210, 96187), (245, 82446), (273, 73990), (294, 68705), (302, 66885), (343, 58890), (390, 51793), (453, 44590), (455, 44394), (490, 41223), (546, 36995), (637, 31710), (686, 29445), (735, 27482), (755, 26754), (906, 22295), (910, 22197), (1029, 19630), (1057, 19110), (1274, 15855), (1365, 14798), (1470, 13741), (1510, 13377), (1715, 11778), (1911, 10570), (1963, 10290), (2058, 9815), (2114, 9555), (2265, 8918), (2730, 7399), (3171, 6370), (3185, 6342), (3430, 5889), (3822, 5285), (3926, 5145), (4459, 4530)]