20895630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5237}}^1$

素因数の和:5273

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 39446130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5237, 10474, 15711, 26185, 31422, 36659, 52370, 73318, 78555, 99503, 109977, 157110, 183295, 199006, 219954, 298509, 366590, 497515, 549885, 597018, 696521, 995030, 1099770, 1393042, 1492545, 2089563, 2985090, 3482605, 4179126, 6965210, 10447815, 20895630]

約数ペア:

[(1, 20895630), (2, 10447815), (3, 6965210), (5, 4179126), (6, 3482605), (7, 2985090), (10, 2089563), (14, 1492545), (15, 1393042), (19, 1099770), (21, 995030), (30, 696521), (35, 597018), (38, 549885), (42, 497515), (57, 366590), (70, 298509), (95, 219954), (105, 199006), (114, 183295), (133, 157110), (190, 109977), (210, 99503), (266, 78555), (285, 73318), (399, 52370), (570, 36659), (665, 31422), (798, 26185), (1330, 15711), (1995, 10474), (3990, 5237)]