20064780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:600

約数の個数: 96

約数和(自身を含む): 63403200

約数和(自身を除く): 43338420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 90, 108, 135, 146, 180, 219, 270, 292, 365, 438, 509, 540, 657, 730, 876, 1018, 1095, 1314, 1460, 1527, 1971, 2036, 2190, 2545, 2628, 3054, 3285, 3942, 4380, 4581, 5090, 6108, 6570, 7635, 7884, 9162, 9855, 10180, 13140, 13743, 15270, 18324, 19710, 22905, 27486, 30540, 37157, 39420, 45810, 54972, 68715, 74314, 91620, 111471, 137430, 148628, 185785, 222942, 274860, 334413, 371570, 445884, 557355, 668826, 743140, 1003239, 1114710, 1337652, 1672065, 2006478, 2229420, 3344130, 4012956, 5016195, 6688260, 10032390, 20064780]

約数ペア:

[(1, 20064780), (2, 10032390), (3, 6688260), (4, 5016195), (5, 4012956), (6, 3344130), (9, 2229420), (10, 2006478), (12, 1672065), (15, 1337652), (18, 1114710), (20, 1003239), (27, 743140), (30, 668826), (36, 557355), (45, 445884), (54, 371570), (60, 334413), (73, 274860), (90, 222942), (108, 185785), (135, 148628), (146, 137430), (180, 111471), (219, 91620), (270, 74314), (292, 68715), (365, 54972), (438, 45810), (509, 39420), (540, 37157), (657, 30540), (730, 27486), (876, 22905), (1018, 19710), (1095, 18324), (1314, 15270), (1460, 13743), (1527, 13140), (1971, 10180), (2036, 9855), (2190, 9162), (2545, 7884), (2628, 7635), (3054, 6570), (3285, 6108), (3942, 5090), (4380, 4581)]