2001996

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 60

約数和(自身を含む): 5407248

約数和(自身を除く): 3405252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 167, 222, 324, 333, 334, 444, 501, 666, 668, 999, 1002, 1332, 1503, 1998, 2004, 2997, 3006, 3996, 4509, 5994, 6012, 6179, 9018, 11988, 12358, 13527, 18036, 18537, 24716, 27054, 37074, 54108, 55611, 74148, 111222, 166833, 222444, 333666, 500499, 667332, 1000998, 2001996]

約数ペア:

[(1, 2001996), (2, 1000998), (3, 667332), (4, 500499), (6, 333666), (9, 222444), (12, 166833), (18, 111222), (27, 74148), (36, 55611), (37, 54108), (54, 37074), (74, 27054), (81, 24716), (108, 18537), (111, 18036), (148, 13527), (162, 12358), (167, 11988), (222, 9018), (324, 6179), (333, 6012), (334, 5994), (444, 4509), (501, 3996), (666, 3006), (668, 2997), (999, 2004), (1002, 1998), (1332, 1503)]