19923320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 48172320

約数和(自身を除く): 28249000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 353, 415, 664, 680, 706, 830, 1411, 1412, 1660, 1765, 2822, 2824, 3320, 3530, 5644, 6001, 7055, 7060, 11288, 12002, 14110, 14120, 24004, 28220, 29299, 30005, 48008, 56440, 58598, 60010, 117196, 120020, 146495, 234392, 240040, 292990, 498083, 585980, 996166, 1171960, 1992332, 2490415, 3984664, 4980830, 9961660, 19923320]

約数ペア:

[(1, 19923320), (2, 9961660), (4, 4980830), (5, 3984664), (8, 2490415), (10, 1992332), (17, 1171960), (20, 996166), (34, 585980), (40, 498083), (68, 292990), (83, 240040), (85, 234392), (136, 146495), (166, 120020), (170, 117196), (332, 60010), (340, 58598), (353, 56440), (415, 48008), (664, 30005), (680, 29299), (706, 28220), (830, 24004), (1411, 14120), (1412, 14110), (1660, 12002), (1765, 11288), (2822, 7060), (2824, 7055), (3320, 6001), (3530, 5644)]