20577360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1033}}^1$

素因数の和:1132

約数の個数: 80

約数和(自身を含む): 64620864

約数和(自身を除く): 44043504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1033, 1245, 1328, 1660, 1992, 2066, 2490, 3099, 3320, 3984, 4132, 4980, 5165, 6198, 6640, 8264, 9960, 10330, 12396, 15495, 16528, 19920, 20660, 24792, 30990, 41320, 49584, 61980, 82640, 85739, 123960, 171478, 247920, 257217, 342956, 428695, 514434, 685912, 857390, 1028868, 1286085, 1371824, 1714780, 2057736, 2572170, 3429560, 4115472, 5144340, 6859120, 10288680, 20577360]

約数ペア:

[(1, 20577360), (2, 10288680), (3, 6859120), (4, 5144340), (5, 4115472), (6, 3429560), (8, 2572170), (10, 2057736), (12, 1714780), (15, 1371824), (16, 1286085), (20, 1028868), (24, 857390), (30, 685912), (40, 514434), (48, 428695), (60, 342956), (80, 257217), (83, 247920), (120, 171478), (166, 123960), (240, 85739), (249, 82640), (332, 61980), (415, 49584), (498, 41320), (664, 30990), (830, 24792), (996, 20660), (1033, 19920), (1245, 16528), (1328, 15495), (1660, 12396), (1992, 10330), (2066, 9960), (2490, 8264), (3099, 6640), (3320, 6198), (3984, 5165), (4132, 4980)]