20859900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2291

約数の個数: 72

約数和(自身を含む): 62329344

約数和(自身を除く): 41469444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 50, 60, 62, 75, 93, 100, 124, 150, 155, 186, 300, 310, 372, 465, 620, 775, 930, 1550, 1860, 2243, 2325, 3100, 4486, 4650, 6729, 8972, 9300, 11215, 13458, 22430, 26916, 33645, 44860, 56075, 67290, 69533, 112150, 134580, 139066, 168225, 208599, 224300, 278132, 336450, 347665, 417198, 672900, 695330, 834396, 1042995, 1390660, 1738325, 2085990, 3476650, 4171980, 5214975, 6953300, 10429950, 20859900]

約数ペア:

[(1, 20859900), (2, 10429950), (3, 6953300), (4, 5214975), (5, 4171980), (6, 3476650), (10, 2085990), (12, 1738325), (15, 1390660), (20, 1042995), (25, 834396), (30, 695330), (31, 672900), (50, 417198), (60, 347665), (62, 336450), (75, 278132), (93, 224300), (100, 208599), (124, 168225), (150, 139066), (155, 134580), (186, 112150), (300, 69533), (310, 67290), (372, 56075), (465, 44860), (620, 33645), (775, 26916), (930, 22430), (1550, 13458), (1860, 11215), (2243, 9300), (2325, 8972), (3100, 6729), (4486, 4650)]