20227970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 44651520

約数和(自身を除く): 24423550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 67, 70, 95, 133, 134, 190, 227, 266, 335, 454, 469, 665, 670, 938, 1135, 1273, 1330, 1589, 2270, 2345, 2546, 3178, 4313, 4690, 6365, 7945, 8626, 8911, 12730, 15209, 15890, 17822, 21565, 30191, 30418, 43130, 44555, 60382, 76045, 89110, 106463, 150955, 152090, 212926, 288971, 301910, 532315, 577942, 1064630, 1444855, 2022797, 2889710, 4045594, 10113985, 20227970]

約数ペア:

[(1, 20227970), (2, 10113985), (5, 4045594), (7, 2889710), (10, 2022797), (14, 1444855), (19, 1064630), (35, 577942), (38, 532315), (67, 301910), (70, 288971), (95, 212926), (133, 152090), (134, 150955), (190, 106463), (227, 89110), (266, 76045), (335, 60382), (454, 44555), (469, 43130), (665, 30418), (670, 30191), (938, 21565), (1135, 17822), (1273, 15890), (1330, 15209), (1589, 12730), (2270, 8911), (2345, 8626), (2546, 7945), (3178, 6365), (4313, 4690)]